A circular loop in the plane of the screen lies in a 061 t, Ask an Expert

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A circular loop in the plane of the screen lies in a 0.61 T magnetic field pointing into the screen. If the loop's diameter changes from 21.0 cm to 6.0 cm in 0.50 s, determine the following.

(a) What is the direction of the induced current?

clockwise

counterclockwise

(b) What is the magnitude of the average induced emf?

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