Question: The wire in Problem 12 is placed at x = b/4. (a) Obtain an expression for the emf induced in the coil if the current

The wire in Problem 12 is placed at x = b/4.

(a) Obtain an expression for the emf induced in the coil if the current varies with time according to I = 2t.

(b) If a = 1.5 m and b = 2.5 m, what should be the resistance of the coil so that the induced current is 0.1 A? What is the direction of this current?

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