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Physics 2, Lab 10

# Physics 2, Lab 10 - Physics Lab 10 Electromagnetic...

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Physics Lab 10 Electromagnetic Induction Joshua Budhu Lab Partner: Andrew Nouri Date Performed: 4/22/09 Date Due: 4/29/09

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Theory and Objective The objective of this lab is learn how different objects (a permanent magnet, a moving coil with a constant current, and a constant coil with a changing current) change the induced voltage in a coil. The relationship between changing the electric field and the magnetic field is as follows: ∇× E =- B t where E and B are both vector quantities. Part 2: EMF Induced By A Permanent Magnet We moved a magnet in and out of the coil. We set up our graph display as was instructed in our lab manual, and recorded the graph. We moved it fast, slow, stopped, and then slow and fast again. Below is our graph of this process with 1 drop and 2 peaks:
Section 4: EMF Induced by Moving a Coil With a Steady Current Below are our two graphs using a moving coil with the steady current: With the current switched: As you can see from this graph, the induced voltage is opposite – instead of going from 0 to trough to peak, it goes from 0 to peak to trough

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Physics 2, Lab 10 - Physics Lab 10 Electromagnetic...

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