A lab experiment to test and observe faradays law

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A lab experiment to test and observe faradays law

Part 1 involves checking the magnetic field produced by a current loop, while part 2 is an investigation of Faraday's Law. Most students cannot complete these two parts in one lab session, so you should choose which part you souls like them to perform.

The default option in which you do not express a preference is part 2. This picture is very simple if the charges are stationary: Rather than describing the forces as action at a distance, however, we will use the field picture, whereby one charge creates a field, and other charges in the field feel forces from the field.

If the charges are stationary, then only electric fields are involved; but if the charges are moving, magnetic fields also come into play. The field picture is used because the fundamental equations of electricity and magnetism — Maxwell's Equations — are much simpler when written in terms of fields than in terms of forces.

We are interested in the magnetic field at the center of the wire. Of course, a real loop would need to be interrupted by a battery at some point to keep the current flowing through the resistance of the wire, unless the wire were a superconductor.

Arrange your apparatus as shown in the diagram below. We are not using the second coil until step 8.

A lab experiment to test and observe faradays law

It may be present, but should not be hooked to a power supply yet. Double-click on the Rotary Motion Sensor in Data Studio, and insert its plugs into the appropriate digital channels.

Also call up the Magnetic Field Sensor in the setup window, and insert the physical plug into analog channel A. For magnetic field measurements, the coil draws power from the DC power supply, which is wired through the Fluke Multimeter to measure the current to the coil.

Be sure to turn the coarse and fine voltage controls of the power supply to zero before switching on the power supply; otherwise, the initial current may be too large and blow the fuse in the Multimeter.

To measure a current, the Multimeter must be in series with the power source. Wire a second lead from the mA plug of the Multimeter to one of the coil plugs.


The second coil plug is wired back to the other output plug of the power supply. Wire directly to the coil leads; do not use the built-in series 1. Set your Multimeter to read on the mA DC scale. Make a preliminary check of the magnetic field of the coil. Carefully position the end of the Magnetic Field Sensor at the center of the coil.

We are not making computer use of the rotational sensor yet.MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics Spring Experiment 9: Faraday’s Law of Induction OBJECTIVES 1.

To become familiar with the concepts of . Download-Theses Mercredi 10 juin Comments: Comment by Ray Padfield-Krala, 12 Feb, I hope that you publish this on your website so to balance the argument. I would like to comment on . Experiment 5: Faraday’s Law OBJECTIVES 1.

To become familiar with the concepts of changing magnetic flux and induced current associated with Faraday’s Law of Induction. 2.

To see how and why the direction of the magnetic force on a conductor carrying Law.

END OF PRE-LAB READING E Experiment 5: Faraday’s Law. Experiment Faraday’s Law of Induction Introduction Part 1- Observations of Faraday’s Law and Lenz’ Law In this part of the lab we will explore the induced current in a conducting loop and verify its direction magnet (that is the poles are not labeled).

Your rst task is to observe Faraday’s/Lenz’ Law in action. To observe. 75 Experiment 9 Induction and Faraday’s Law I. Purpose The purpose of this experiment is to observe effects produced by changing magnetic fields, including in particular Faraday’s law and Lenz’s Law.

Faraday's Laws

II. Preparing for the Lab You must prepare before going to the lab and trying to do this experiment. Start by reading through this lab write-up before you get to the lab.

You should already be familiar with %(1).

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