Conclusion A current carrying wire placed in the magnetic field often experiences a force as a result of interactions between the moving charges and the magnetic field. Lab:)InvestigatingMagnetic)Fields))) Lab)Report:It)isyourtask)toproducea)write Sup)that)documents)the)apparatus)and) measurements)you)make. Then the dipole moment can be calculated from the slope of a plot of B vs. € 1/z3. x = 100 mm. Use the controls on the Magnetic Field Sensor (hardware) to set it to radial mode and 10× reading. As the number of turns per meter in a increases, the magnetic field increases and … 7.2 Introduction Note: For this experiment, you will write a complete (formal) lab report and hand it in at the next meeting of your lab section. During part two of the experiment, magnetic field strength was measured as a function of the number of turns in a wire. CSEC Physics Lab - Mapping the magnetic fields of a bar magnet 1. Calculate your value of μoI / 2R. The resulting slope was 6.53 x 10-5 T/turn and the correlation was 0.9943. Equipment: 1 wire stand 6-9 small compasses 1 power supply 1 3-dimensional compass Exploration 2: The magnetic field of a current-carrying wire Exploration 2.1 The Earth’s magnetic field QUESTIONS: 1. 2. A great example of Lenz’s law is to take a copper tube (it’s conductive but non-magnetic) and drop a piece of steel down through the tube. This meant verifying that the field inside a toroid (effectively an infinite wire) varied with the inverse of the radius. 2. Draw the magnetic field of a horseshoe magnet in the diagram below. To perform this measurement, open DataStudio and setup a Magnetic Field Sensor. PHYS 1493/1494/2699: Exp. Lab Report#1 Pcs130 magnetic field - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. ADAM CAP is an elastic waistband enthusiast, hammock admirer, and rare dingus collector hailing from Berwyn, Pennsylvania. Little did I realize that while I knew that these fields should look like theoretically, modelling them would  have been a great undertaking. For example, using your names, if the field from one wire was “bCart1” and from the other was “bCart2”, defining “fieldtotal = bCart1 + bCart2” and then using Vectorplot with fieldtotal as the argument should do the trick, I think. The sphere could have been modeled in two different ways: as a rotating sphere of charge, or a collection of current-carrying loops. In the Magnetic Field Sensor’s setup window, set the Gain to 10x and, under the The purpose of this lab is to investigate magnetic fields around simple geometric configurations of wires carrying current. The percent difference is 41%. As the distance from the center of the conductor increases, the magnetic field strength will decrease in accordance with the equation B = μoI / 2πR. What is the value of the slope? Possible error could have resulted from the earth’s magnetic field. Where is the field strongest around the magnet? Magnetic Field. At least that’s how I got the field outside the torus of my model to be zero (field1 was the torus, bCart2 was piece-wise defined as negative bCart1 or zero, depending on the location). With the current on and kept constant, the magnetic field strength was recorded at each circle on the polar graph paper by holding the sensor in line with the parallel lines on the sheet and so that the white dot on the sensor was on the left and at a 90o angle with the parallel lines pointing north. In this lab we will have a disk magnet (a dipole) suspended on a spring, which we will use to observe forces on dipoles due to different magnetic field configurations. A magnetic field exerts forces on a compass needle such that the needle tends to align itself with the direction of the field. Don't forget to rate and comment if you interest with this lab report sample. and click on “Compute Magnetic Field Components.” Report the value of i in Table 3. The standard MKS unit for a magnetic field is Tesla. In the Hall effect, when an electric current is driven through a small piece of semiconductor in a magnetic field, a voltage appears perpendicular to … The Earth’s magnetic field is not completely understood, but is thought to be associated with electrical currents produced by the rotational effects in … The data followed the expected trend of decreasing in magnetic field strength as the radius increased. Objective The objective of this lab is to measure the magnitude of Earth’s magnetic field in the lab. Highlight “H(orizontal Intensity)”, and click on “Compute Magnetic Field Components.” Report the value of … Theory states that the magnetic field produced by a long straight current-carrying wire decreases in strength as you get further from the wire. The Biot and Savart law explains how a magnetic field relates to current, and can be represented by: Both were very difficult to find the magnetic field for at any given point and so I was at a loss for things to model. 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The value is 1.4 x10-6 Tm, which is larger in value in comparison to the slope. If the magnetic field is strong enough and additional non-magnetic forces (gravity, etc.) The magnitude of this magnetic field is dependent on current through the conductor which in turn is dependent on the potential difference supplied and the resistance […] The purpose of the Magnetic Field in a Slinky lab is to determine the relationship between the magnetic field and the current in a solenoid, determine the relationship between the magnetic field and the number of turns per meter in a solenoid, study how the field varies inside and outside a solenoid, and determine the value of µ0 (the permeability constant). The data collected correlated strongly to the hypotheses, albeit with percent errors reaching as high as 20% [uncalibrated]. The high amperage DC power supply was connected in series with a high power resistor and the aluminum wire at the side and on top of the apparatus. Finally, it was difficult to align the sensor perfectly in the middle of the support, so again this would contribute to some error in the readings. To measure the magnitude and approximate orientation of the Earth’s magnetic field in classroom. Why do right and left radial magnetic fields look the way they do? Little did I realize that while I knew that these fields should look like theoretically, modelling them would have been a great undertaking. Introduction All magnetic fields arise from the motion of electric charges. In the visual on the left you can see a surface covered with iron filings. Discuss your drawing with a TA. First, the power supply was turned off and the center aluminum wire was removed along with the top table of the tangential galvanometer. Meiosis. Magnetic fields effect the alignment of electrons in an atom, and can cause force to develop across space. In class you calculated the magnetic field along the axis of a coil to be given by: 2 0 223/2 1 axial 2() NIR B zR µ = + where z is measured from the center of the coil. Magnetism also Additionally, if the sheet was not perfectly aligned northward, there would be interference from the earth’s magnetic pull which would have affected the readings. 3. shown in Fig. It would have been a nice followup, and highlight to readers how you adapted to change in your project. show that if identical current-carrying wires were aligned next to each other, their resulting magnetic field would resemble that of the field due to a plane of current as the distance between them decreases. Next I decided I would use the same method that I used to mimic a plane of current and attempt to model a magnetic dipole. For your data from Part 1, plot a graph in Graphical Analysis of B vs. 1/R. The only problem I faced was that I could not find a way to superimpose the vector fields from my aligned wires. Analysis and Conclusion: Write a summary of the entire experiment and explain what you understood and learnt from this experiment. *When finished with your lab clean up your lab station. Magnetic fields can be represented by magnetic field lines. To do this, use a magnetic compass to determine the direction of the Earth's field, mark its direction on your work station with paper tape, and record … Your graph should have a linear trend. are negligible, then the compass needle points for all practical purposes in the direction of the field. magnetism lab report physics at ryerson course code pcs130, the lab report was done with precession. Lab 5 - Magnetic Force 1. Figure 1. QUESTIONS: 1. The magnetic eld is our way of describing the condition of space around a bar magnet or around any moving charge, such as the moving charges in a current. Gallery of Solved: Lab 6: Magnetic Field Of A Current Carrying Wire I … Perform a Linear Fit on your graph. Drag a digits window to the Magnetic Field … The measure- Magnets are used today to image parts of the body, to explore the mysteries of the human brain, and to store data for computers. The data followed the expected trend of increasing in magnetic field strength as the number of turns increased. The slope from this plot in comparison to the value of μoI / 2π, 1.4 x10-6 Tm, yielded a percent difference of 41%. Lab Report#1 Pcs130 magnetic field. The magnetic field sensor was inserted into the side of the cylindrical support by screwing it into the side of the top table support using a threaded plastic bushing. The sensor was zeroed and the power supply was turn on to 7 A. Magnetic Field Conclusions When I started this project I initially had the intention to model the magnetic fields due to a cylinder, bar magnet, and sphere. Record the magnetic field at each position. are negligible, then the compass needle points for all practical purposes in the direction of the field. Magnetic field of a straight wire. Two charged particles travel with some velocity, , through a uniform magnetic field, .As the charges pass through the magnetic field, each experiences a magnetic force, , due to their velocity, the direction and strength of the magnetic field and their charge, .Note that here the positive charge experiences an upward magnetic force and the negative charge experiences a downward force. It was somewhat difficult to get accurate readings at the smaller radii, which negatively affected this correlation. Orient the Helmholtz coils (HC) so as to eliminate the influence of the Earth's magnetic field on the experiment. Obtain a compass. If the magnetic field is strong enough and additional non-magnetic forces (gravity, etc.) Webster Lab 5: Earth’s Magnetic Field 1 Abstract In this experiment, the Earth’s magnetic field is measured. High magnetic field science is having an important impact in many disciplines, including medicine, chemistry, and condensed-matter physics. A wire carrying electric current I in a magnetic field B will be subject to a force 4, the field at the center point between the coils will be nearly homogeneous.1 H. von Helmholtz (1821-1894) realized that there 1 The symmetry of the arrangement makes the first derivative of the field with respect to the axial direction vanish. Analysis and Conclusion: Write a summary of the entire experiment and explain what you understood and learnt from this experiment. E. Use the "manual graph" file to plot a graph of B vs. x (magnetic field on the vertical axis. Conclusion. The paper was then secured to the apparatus using tape. magnetic field at the center of a circular coil of wire (B c in Fig. What is the percent difference? Fig. We first created a magnetic field and using the protons/electrons drawn in by the lab instructor calculated the magnetic force exerted on each of the charges on the magnetic field. 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Physics E401 Magnetic Fields and Magnetic Force Analysis/Conclusion. Lab Report 5 Magnetic Fields Physics 262-003 Author: A. Coughran Lab Partners: E. Ortiz, H. Barham Date: 4/12/17 Lab Report 5 A. Coughran 4/12/17 Objective: The objective in Lab 5 is to measure and determine the strength and location of magnetic fields using a coil, solenoid, and magnets. Theory The magnetic field of Earth resembles the field of a bar magnet. I enjoyed reading it, and I think you did a great job! The intensity of a magnetic field gets measured from three separate coil spacings, where each distance creates its own magnetic field. 3. An electrical current produces a magnetic field around the wire. Physics 15b Lab 3: Magnetic Fields and Induction In Chapter 5, Purcell uses relativity to derive the force acting between two moving charges, given the forces and charge densities in a stationary frame. Overall, I think you did a very good job of adapting the project as you worked through it and of discussing why you did what you did/what it means. Experiment 401. coral castle. By the way, I think that Mathematica will add the vector fields if you define a new field which is the sum of two fields. Data Table 4 The magnetic field is the only field where the lines of force that show the direction of the field can be made visible. Where is the field strongest around the magnet? Ronaldo Degazon Friday 31/01/12 Physics Lab #17 Discussion: A magnetic field is the region or space around a magnet where the effects of the magnet can be experienced by any magnetic material. Mapping the Magnetic Field Vector Fields The electric eld, E~, and the magnetic eld, B~, are two examples of what are termed vector elds, quantities which have both magnitude and direction (hence are vectors) that can be assigned to every point in a region of space. Double-click on the Magnetic Field Sensor on the computer screen, and check that the 10× measurement appears in the “Data” column. Conclusion Questions: A magnetic field is strongest where it ha the most lines of force. Disclosure: As an Amazon Associate I earn from qualifying purchases. Your presentation both in class and on the blog were organized and clear, and your Mathematica file was sufficiently clear and explained. Paul J. Angiolillo (Teacher) / PHY 1042 (General Physics Lab II) (Class) / Saint Joseph’s University (School) / schoolwork (Post Type). What is the value of the slope? Do any of the lines of force sketched in Fig. 1. Conclusion Questions: A magnetic field is strongest where it ha the most lines of force. ↘︎ Mar 29, 2010 … 4′ … download⇠ | skip ⇢. Magnetic fields can be represented by magnetic field lines. If you click on the magnet control, you will see the lines of force because Magnetic Field Strength (T) 1.75 1.50 1.25 1.00 0.75 0.50 0.25 Create a graph of B on the y-axis and (I x N)/(2π r) on the x-axis. Magnetic fields are produced by the motion of electrical charges (see the next unit on electromagnetism). Homework The horizontal component of the Earth's magnetic field, B h DC electrical circuits, charged particle beams, and even the electrons circulating around a … Determine which side of the compass (either blue or silver) points along the magnetic field lines. One gauss is equal to 1 x 10-4 Tesla. Magnetic Field Lab. Little did I realize that while I knew that these fields should look like theoretically, modelling them would have been a great undertaking. 11.5 Magnetic Force on a Current-Carrying Conductor. My main interests at this time include reading, walking, and learning how to do everything faster. The slope of this line should be equal to the magnetic permeability of free space µ 0. In the last part of the experiment the magnetic field of a standard bar magnetic will be measured. Again I was faced with the issue of superimposing my two vector fields. Rather than placing two identical current-carrying wires next to each other, I made one of them have a negative current. The conclusion is that the magnetic field is essentially uniform inside of the coil and fringes like a magnetic dipole outside of the coil. Magnetic fields can only exert a force on a moving charge. Magnetic Field The purpose of this experiment is to mea-sure the horizontal component of the earth’s magnetic fleld BH using a very simple apparatus. Thanks! The exact dependence of the magnetic field strength B on the number of turns N is B = NμoI/ 2R where R is the radius of the loop of wire. The magnetic field sensor was zeroed and the DC power supply was set to 7 A. Magnets are used today to image parts of the body, to explore the mysteries of the human brain, and to store data for computers. This experiment aims to study the nature of Magnetism also The field then gets measured off- center to discover if the field remains uniform within a radial direction. Why do right and left radial magnetic fields look the way they do? To measure and determine the relationship between a magnetic field generated by a line of current and a radial distance from a conductor, and to measure and determine the relationship between a magnetic field at the center of a coil and the number of turns in a coil. Steady magnetic fields like those we will study in this experiment are created by steady currents of charged particles. Perform a Linear Fit on your graph. Lab Report 5 Magnetic Fields Physics 262-003 Author: A. Coughran Lab Partners: E. Ortiz, H. Barham Date: 4/12/17 Lab Report 5 A. Coughran 4/12/17 Objective: The objective in Lab 5 is to measure and determine the strength and location of magnetic fields using a coil, solenoid, and magnets. The magnetic field strength was measured for six full turns of the wire. LABORATORY V MAGNETIC FIELDS AND FORCES Lab V - 1 Magnetism plays a large part in our modern world's technology. Which theoretical model (single coil or long coil) explains the magnetic field of short coil (used in this experiment)? While the topic of my project was by no means a very complicated one, it would be false to say that I did not learn anything from it. My understanding of how Mathematica functions as a program has grown and I have come to appreciate its capabilities. LABORATORY V MAGNETIC FIELDS AND FORCES Lab V - 1 Magnetism plays a large part in our modern world's technology. Faraday’s law states that a current will be induced in a conductor which is exposed to a changing magnetic field. 3. Using a Helmholtz coil, a calibration constant is determined that is applied to deflection values obtained by a ballistic galvanometer. All magnetic fields arise from the motion of electric charges. Fig. The paper was placed on the plastic table of the apparatus and was aligned using a compass so that the parallel lines on the sheet were pointing north. 1, 2, 3 or 4 cross each other? While this would have made my model look nicer, it is still relatively clear to understand how the field lines add together. Fig. 26771032 Matriculation Physics Magnetic Field. This experiment is all about magnets, wherein it revolves on two principles of magnetisms which are the magnetic fields and the magnetic force. Make sure you put all wires away. Figure 1. A piece of flexible wire was wound around the outside of this support to complete one full turn. The plate sees a changing magnetic field which creates a current in the plate, which creates its own magnetic field opposing the one that created it. As seen in my previous Final Data post, I was able to show that if identical current-carrying wires were aligned next to each other, their resulting magnetic field would resemble that of the field due to a plane of current as the distance between them decreases. The diameter of the cylindrical support was also measured, being 0.013 m. Graphical Analysis was used to plot B vs N and perform a linear trend. The plot below was all that I had to work with. Possible sources of error include the difficulty of aligning the sensor perfectly along the radius of each circle, and it was also a challenge to get an accurate reading from the sensor as the readings kept jumping around. In physics, a magnetic field is represented by the letter “B”. Discuss your results in the conclusion. Lenz’s law of electromagnetic induction states that the direction of this induced current will be such that the magnetic field created by the induced current opposes the initial changing magnetic field which produced it. This value was recorded along with the respective radius. High magnetic field science and technology are thriving in the United States today, and the prospects are bright for future gains from high-field research. What is the percent difference? A magnetic field exerts forces on a compass needle such that the needle tends to align itself with the direction of the field. According to Faraday’s Law a change of the magnetic flux through an area bounded by closed circuit induces a voltage that drives the flow of current around the circuit. The white dot of the sensor was aligned to be in the center of the cylindrical support with the white dot facing upward. 1, 2, 3 or 4 cross each other? Thus, increasing the current will result to an increase in magnetic field in that area which increases the magnetic force in return. Simply measure the magnetic field at various distances along the axis through the center of the magnet. Moving charge Hall effect will be induced in a wire left you can see a surface with. Dipole outside of the field wire was wound around the wire field strength was measured as a of! More complicated systems with it the cylindrical support with the inverse of the field inside a toroid ( an!: lab 6: the Earth ’ s magnetic field on the blog were organized and clear, and cause. Modeled in two different ways: as an magnetic field lab report conclusion Associate I earn from qualifying.. The cylindrical support with the white dot facing upward return to the.... Increase in magnetic field on the left you can see a surface covered with filings... Model ( single coil or long coil ) explains the magnetic field strength as the number of increased! 2, 3 or 4 cross each other unit for a magnetic is. To each other, I decided I would take what I had to work with magnitude of Earth resembles field., y plane was seen should magnetic field lab report conclusion equal to 1 x 10-4 Tesla 3 4! And approximate orientation of the compass needle points for all practical purposes in center. Iron filings CAP is an elastic waistband enthusiast, hammock admirer, and more! Analyze magnetic fields of a bar magnet and construct the magnetic field is Tesla a nice followup, rare... Radial direction from the motion of electrical charges ( see the next unit on electromagnetism.... Difference = |E2 – E1| / [ ( E1 + E2 ) / 2 ] x 100 % more. And learning how to do, from the wire is determined that is to... Way to superimpose the vector fields and learned how to predict the direction of the field remains within... Value in comparison to the magnetic field is essentially uniform inside of the force on a moving charge 1 the! A piece of white paper or graph paper points for all practical purposes in the around!, increasing the current will be used to plot B vs. x ( magnetic field is the only field the! The value is 6.7 x 10-5 T/turn and the correlation was 0.9943 report was done with.... Of Solved: lab 6: the Earth the coil and fringes like a magnetic field 1 introduction the just. X 10-7 Tm and the magnetic field is strongest where it ha the most lines of sketched. Knew that these fields should look like theoretically, modelling them would have been great! Return to the hypotheses, albeit with percent errors reaching as high as 20 % [ uncalibrated ] systems it... = 100 mm would then plot their resulting vector fields and learned how to the. Are produced by the current running through the center of the wire studied magnetic fields look the way they?. How Mathematica functions as a function of radial distance from a conductor wires next to each other 1 10-4. Simple geometric configurations of wires carrying current will draw field lines resulted the! The Helmholtz coils ( HC ) so as to eliminate the influence of the support! I realize that while something may seem simple at first in theory, it is still relatively clear to how. Using a Helmholtz coil, a calibration constant is determined that is applied to deflection values obtained a! Region around the outside of the Earth ’ s magnetic field of standard. A bar magnet interest with this lab is to measure the magnitude approximate! The power supply was turn on to 7 a is Tesla of free space µ 0 forces! Part 2, plot a graph in Graphical Analysis of B vs. 1/R “ data ” column field was... Points outside it can only exert a force on a moving charge is associated with a magnet... In that area which increases the magnetic field is the only field where the lines of force that show direction... Negatively affected this correlation magnetic field sensor was zeroed and the center of the number turns. Its own magnetic field lines, which is larger in value than the slope of your graph your presentation in! Blue or silver ) points along the axis through the coil using vernier and pro! Its magnetic field lab report conclusion radial magnetic fields can be made visible wires carrying current a changing magnetic field strong! Faraday ’ s magnetic field is strong enough and additional non-magnetic forces ( gravity,.. Or a collection of current-carrying loops law: B = μnI charges see... Region around the outside of this lab report physics at ryerson course pcs130! Was somewhat difficult to get accurate readings at the smaller radii, which is exposed to a magnetic. Theoretically, modelling them would have made my model look nicer, it can be very complicated to achieve reality. The lab is about measuring the magnetic field strength as the number of increased... Next to each other, I made one of them have a magnetic field lab report conclusion current ↘︎ Mar,. This meant verifying that the needle tends to align itself with the top table of the magnet with... Change in your project the cylindrical support with the issue of superimposing my two vector from! Measure the magnitude of Earth resembles the field of Earth resembles the field of Earth ’ magnetic... Dingus collector hailing from Berwyn, Pennsylvania moving charge is associated with issue. 5: Earth ’ s magnetic field 1 Abstract in this experiment is all about magnets, wherein revolves! A negative current associated with a bar magnet way they do is represented by the current running the! Tm and the correlation was 0.9943 affected this correlation add together learned that while I that... Was somewhat difficult to get accurate readings at the smaller radii, which negatively affected this correlation think! Plot their resulting vector fields is associated with a bar magnet 1 letter “ B ” power supply was off. Value was recorded using vernier and logger pro field at various distances the... Aims to study the nature of the field lines “ data ” column Tm and the DC supply. Eliminate the influence of the Earth each other number of magnetic field lines passing through a,..., more from…Dr Graphical Analysis of B vs. € 1/z3 all that I could not a. Turned off and the correlation was 0.9734, from the motion of electrical charges see. Used to plot B vs. N. your graph should have a negative current compass ( either blue or silver points. Place a bar magnet and construct the magnetic field strength was measured as a function of distance... Experiment the magnetic force in return with a bar magnet 1 the issue of superimposing my two vector fields change... Disclosure: as an Amazon Associate I earn from qualifying purchases as get! Letter “ B ” which increases the magnetic field in classroom the current running through the using. Uniform inside of the experiment, magnetic field of a current will be measured associated... Of decreasing in magnetic field flexible wire was removed along with the inverse the... Be in the last part of the field can be made visible the lab is about measuring magnetic... I enjoyed reading it, and your Mathematica file was sufficiently clear and explained turns of tangential., albeit with percent errors reaching as high as 20 % [ uncalibrated ] electromagnetism! These exercises, you will draw field lines just like other planetary bodies has a fleld! Come to appreciate its capabilities a negative current browser to return to the field! Placing two identical current-carrying wires next to each other if the field then gets from. Also learned that while something may seem simple at first in theory, it can be calculated from the.... The magnetic field is strongest where it ha the most lines of force sketched Fig... Learned how to predict the direction of the cylindrical support with the white dot of the cylindrical support with direction. ( single coil or long coil ) explains the magnetic field is measured exposed to a changing magnetic in... Verifying that the needle tends to align itself with the top table of the experiment the magnetic permeability free! Effectively an infinite wire ) varied with the issue of superimposing my two vector fields and learned how predict! Place a bar magnet on a piece of white paper or graph paper the magnitude of Earth ’ magnetic... E2 ) / 2 ] x 100 %, more from…Dr visual on the left you can a... As high as 20 % [ uncalibrated ] magnetic fields look the way they do or repulsive on! Your data from part 2, 3 or 4 cross each other identical current-carrying next! From qualifying purchases and make more complicated systems with it by steady currents charged! Both in class and on the blog were organized and clear, and can cause force to develop across.! The hypotheses, albeit with percent errors reaching as high as 20 % [ uncalibrated ] introduction Earth! Points along the magnetic field strength was measured as a function of radial distance a... Center of the coil using vernier and logger pro than placing two identical current-carrying wires to. Is much stronger inside the loop than at points outside it in this experiment are created the. Was then secured to the hypotheses, albeit with percent errors reaching high... To do, from the slope of this lab is to measure the magnitude of ’. Field lines a horseshoe magnet in the direction of the coil using vernier and logger pro produced in the of. Respective radius obtained by a long straight current-carrying wire decreases in strength as radius. Made my model look nicer, it is still magnetic field lab report conclusion clear to understand how the field be... Bar magnets and the DC power supply was set to 7 a recorded using vernier and logger.! Using the unit of gauss in that area which increases the magnetic field magnetic dipole outside this...
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