Question

A rectangular coil of 60 turns, dimensions 0.100 m by 0.200 m, and total resistance 10.0 Ω rotates with angular speed 30.0 rad/s about the y axis in a region where a 1.00-T magnetic field is directed along the x axis. The time t= 0 is chosen to be at an instant when the plane of the coil is perpendicular to the direction of B. Calculate (a) the maximum induced emf in the coil, (b) the maximum rate of change of magnetic flux through the coil, (c) the induced emf at t = 00500 s. 1.
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Answer #1

Flux thouough the coil, Hure N: 60 B=1:00 T A : (0 100 x 0-200) m 0-02 om? 02 1- ) $: 60X1X 0.02 Co 3ot T-m2 1-2 Cos 30t T-m?

at t =0.05 ee EMF = 36 Sin (sox.05)v 36 Sin15 =D35.91V

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