tsl261 - Magnetic Induction: Application (10) Consider a...

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Unformatted text preview: Magnetic Induction: Application (10) Consider a conducting square frame with sides of length L = 2 m in a magnetic field ~ B . The resistance of the square is R = 4Ω and the magnitude of ~ B varies with time as shown in the graph. (a) Find magnitude and direction of the induced current I at times t = 1s , 3s , 4 . 5s . (b) Consider instead a magnetic field with the following time-dependence: B ( t ) = B sin 2 ( ωt ) . A B L L 1 2 1 2 3 4 5 6 t[s] B[T] tsl261 – p.1/6 Magnetic Induction: Application (13) A rod of length ‘ , mass m , and negligible resistance slides without friction down a pair of parallel conducting rails, which are connected at the top of the incline by a resistor with resistance R . A uniform vertical magnetic field ~ B exists throughout the region. (a) Identify the forces acting on the rod when it slides down with velocity v . (b) Determine the velocity for which all forces acting on the rod are in balance....
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This note was uploaded on 04/30/2008 for the course PHYS 204 taught by Professor Andrevantonder during the Spring '07 term at Rhode Island.

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tsl261 - Magnetic Induction: Application (10) Consider a...

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