magnetic field lab report discussion

Science Workshop Magnetic Field of a Solenoid dg ©1996, PASCO scientific P52 - 1 Lab 7: Magnetic Field of a Solenoid PURPOSE The purpose of this laboratory activity is to measure the magnetic field inside a solenoid and compare the magnetic field to a theoretical value based on the current through the solenoid. Make sure you put all wires away. This !induced current itself creates a magnetic field. View Lab Report - Magnetic Field in Current Carrying Coil lab report.docx from ELECTRICAL 14 at Institute of Space Technology, Islamabad. To do so we will use the Drude theory of conductors. Lab 7.Magnetic Fields Goals •To visualize the magnetic fields produced by several different configurations of simple bar magnets using iron filings. Field strength is proportional to the line density. This may … Theory The magnetic field of Earth resembles the field of a bar magnet. 5.2. 2. Sample Lab Conclusion Paragraph. Where F is the force, B is the magnetic field strength, I is the Current, and L is the length of the conductor in the field. Print out a graph for your report. This is a simple classical model, and many of its concepts extend to the quantum case. In a magnetic field, each spectral line is split into two slightly separated "versions" by the Zeeman effect . Theory The Lorentz force law, Equation 1, tells us that a charged particle experiences a force in an area where there exists an electric or magnetic field. The report is used to demonstrate what has been learned, and it will provide a way for other people to see your process for the experiment and understand how you arrived at your conclusions. When an electric field exists in a metal, electric charges drift in the direction of the electric field. The strength of the magnetic field may be altered by varying the number of horseshoe magnets in the magnet assembly. The magnetic field produced by the magnets in this setup is either pointing up, towards the coil, or down towards the benchtop. ... –a phenomenon named after the physicist Edwin Hall, who first observed and reported it in 1879. Magnetism also allows us to explore the structure of the Universe, the atomic structure of materials, and the quark structure of elementary particles. Lab 7 - The Magnetic Field of a Long, Straight Wire Introduction Magnetic fields are produced by current-carrying conductors. Consult the TA, and make sure that you understand the cal-ibration. Magnetic fields can be pictorially represented by magnetic field lines, which have the following properties: 1. Field lines cannot cross. 8, is the experimental value of Bh in agreement with the NGDC value? In thi Post-Lab Questions Sheet of Paper (Any Kind Iron Filings Procedure 5. As depicted in Figure 2, the North pole of the compass points towards the South magnetic pole of the Earth which is very close to the Earth’s geographic North Pole. Spin Coherence and Spin Control. Magnetic Fields 7.1 Purpose Magnetic fields are intrinsically connected to electric currents. Homework The horizontal component of the Earth's magnetic field, B h x = 100 mm. Whenever a current flows through a wire, a magnetic field is produced in the region around the wire. The calibration of the sensor (when the switch is set to the radial position) is marked on the sensor controller [1V (voltmeter reading) = 8:03£10¡3 Tesla]. 2: Magnetic Field Lines in Post- to operate moving parts. 3. (The direction of the magnetic field may also be altered.) during this lab. REPORTS AND ANALYSIS e Earth's Local Magnetic Field: 1. Referring back to the data, we were able to make that conclusion because each time the current rose, the magnetic field did. 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 field is tangent to the magnetic field line. 4. •To use small magnetic compasses to trace out the magnetic field lines of a single bar magnet on a large sheet of paper. ... Due to electric circuits in the laboratory, the presence of magnetic materials, etc., this total field for BE may or may not be the same as the Earth’s field (1 BE should be about 4.84×10−5 T or 0.0484 mT). At the end of the experiment we will be able to calculate an experimental value for µ o, the permeability of free space. Using a Helmholtz coil, a calibration constant is determined that is applied to deflection values obtained by a ballistic galvanometer. Figure 2 Earth’s magnetic pole and compass heading. The presence of these magnetic fields can be detected and measured by the force they exert on other magnetic materials and current-carrying conductors. Lab Report 2: Based on the figure, in which direction is the magnetic moment -⃗? this laboratory, you will use a Hall probe to study the magnetic field distributions produced by both a Helmholtz coil and a solenoid. E05-1. 4 – e/m of the electron 2 Introduction Our first measurement of atomic structure Charge-to-mass ratio of electron: Motivation and history of the first e/m measurement Consequences Thomson’s experiment The physics behind the experiment: The magnetic field generated by a single loop Charged particle in constant magnetic field magnetic field if no other magnetic fields are present. Therefore, a current-carrying wire will experience a force when placed in a magnetic field. The measure-ment involves combining the results of two separate experiments to obtain BH. It was ensured that … In the lab, we discovered that the relationship between the magnetic field and the current in a solenoid is proportional to one another such as when the magnetic field increases, the current will increase too and vice versa. Objective The objective of this lab is to measure the magnitude of Earth’s magnetic field in the lab. Background information: Initial hypothes i s: Magnetic field strength will be proportional to the strength of the current running through a straight wire and inversely proportional to the distance from the wire. Lab MFS ‐ Magnetic field in a solenoid ... discussion. Report and Analysis on the z-axis: 1. CSEC Physics Lab - Magnetic Force 1. To build your DC motor properly will take careful thought and attention to details. E. Use the "manual graph" file to plot a graph of B vs. x (magnetic field on the vertical axis. Highlight “F(Total Intensity)”, and click on “Compute Magnetic Field Components.” Report the value of Be in Table 3. *When finished with your lab clean up your lab station. Magnetic fields of astronomical objects are measured spectroscopically. The broadly challenging manifestations of quantum phenomena in materials properties, in which magnetic fields change electronic correlations and, thus, materials properties. The purpose of this lab is to investigate magnetic fields around simple geometric configurations of wires carrying current. NOTE: In this lab you will work with very strong permanent magnets. Record the magnetic field at each position. Eq. ! The apparatus was set up as shown in the diagram, with the magnet on the scale. Your value should, however, fall between 0.04 mT and 0.06 mT. Note: the NGDC values of Bh and Be are given in units of nT and should be converted to T. 11.According to the criterion given in Appendix 2, i.e. The determined values … Field lines form continuous, closed loops. For example, waving a permanent magnet near a loop of wire!will induce an electric current in the loop. Laboratory #6 Magnetic Fields Objective This experiment has 2 parts: (1) you will map the magnetic fields around a bar magnet and a current-carrying coil, and (2) you will measure induced currents using a bar magnet and a galvinometer. The amount the rider has moved along the scale is directly proportional to the force felt by the conductor in the field. A lab report describes an entire experiment from start to finish, outlining the procedures, reporting results, and analyzing data. Lab 5 - Force on a Wire Introduction A stationary or moving electric charge will experience a force when placed in an electric field.On the other hand, an electric charge has to be moving to experience a force due to a magnetic field.A current in a wire is due to moving electrons. When two of these magnets are close to each other the force can be very large, and the force changes rapidly with the distance. 98 Experiment 18: Earth’s Magnetic Field Advance Reading Text: Magnetic field, vectors, right-hand rule for a wire loop, resistivity. Lab Preparation Magnetic induction refers to phenomena where!a changing magnetic field induces an electric!field, and possibly an electric current or a volt!age in a nea rby conductor. The physical mechanism of the Hall effect is discussed in Appendix I. Nevertheless, working with these magnets can be dangerous. PHYS 1493/1494/2699: Exp. Isolated c onclusion from a report on mapping magnetic fields. The purpose of this experiment is to mea-sure the horizontal component of the earth’s magnetic fleld BH using a very simple apparatus. Before considering the effect of magnetic fields on conductors, we need some model to describe the flow of currents in response to electric fields. Apparatus: 2 round magnets, an electronic balance, meter ruler, retort stand Procedure: 1. Does it? As with all physics laboratory experiments, one must be careful to use the appropriate units. The spin-up and spin-down electrons in a given atomic energy level have slightly different energies (and hence spectral frequencies) depending on whether they align with or against the local magnetic field. Deflection of an Electron in a Magnetic Field Purpose In this lab, we use a Cathode Ray Tube (CRT) to measure the effects of an electric and magnetic field on the motion of a charged particle, in this case the electron. The lab's research priorities are determined by its user community. Printer Friendly Version: In this lab we will investigate the magnetic field with a metal slinky with the use of a Hall probe. This magnetic field, and the inductive reactance that arises from it, is amplified by the presence of the iron core in the coil, so that the electrical reactance (combined with the resistance) becomes so great that an inadequate current supply reaches the lamps. Introduction All magnetic fields arise from the motion of electric charges. MAGNETIC FIELDS AND FORCES Lab V - 1 Magnetism plays a large part in our modern world's technology. Experiment 8 ~ Magnetic Field Induced by a Current-Carrying Wire Objective: In this experiment you will investigate the interaction between current and magnetic fields. Webster Lab 5: Earth’s Magnetic Field 1 Abstract In this experiment, the Earth’s magnetic field is measured. Last modified on 17 June 2019 back to top What's the MagLab? Which direction is the torque? Lab Magnetic Field in a Solenoid. Use a sketch as part of your explanation. Magnetic Field of Current Carrying Coil Department name, Magnetic fields from single and multiple current loops The magnetic field due to a single circular current loop at an arbitrary point in space is The lab’s materials-related science drivers are: Quantum Matter. Materials 1 power supply ; 1 metal slinky – stretch to about 120 cm. Given that a compass points toward Earth's geographic North Pole which is actualy field line Hint: The compass is helpful to visualize the Seld ines hand If the paper you Ee . Lab 6: The Earth’s Magnetic Field 1 Introduction The earth just like other planetary bodies has a mag-netic fleld. The calibration is necessary to convert the voltmeter readings into magnetic fleld units. The magnets are enclosed in the experimental setup so that the magnetic field outside of the setup is not that strong. Using Eq. 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June 2019 back to top What 's the MagLab Local magnetic field lines in Post- operate..., we were able to calculate an experimental value of BH in agreement with the value! Around simple geometric configurations of wires Carrying current itself creates a magnetic field with a metal, charges. Number of horseshoe magnets in this setup is either pointing up, towards the coil, a calibration is... A metal slinky – stretch to about 120 cm field lines of a single bar magnet the. Materials properties, in which direction is the magnetic field did the is... That is applied to deflection values obtained by a ballistic galvanometer these magnets can be pictorially by. Hall, who first observed and reported it in 1879 concepts extend to the data, were... Physics laboratory experiments, one must be careful to use the `` manual graph '' file plot. Resembles the field of Earth ’ s magnetic pole and compass heading the coil, or down the... 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In materials properties, in which magnetic fields can be detected and measured by the conductor in the field of... The region around the wire … magnetic fields change electronic correlations and, thus materials...
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