A 5.0-cm-diameter coil has 20 turns and a resistance of 0.50 2. A magnetic field perpendicular to the coil is B (t) = 0.020t +0.010t², where B is in tesla and t is in seconds. (a) Find an expression for the induced current I(t) as a function of time. (b) Evaluate I at t = 5s and t = 10 s.
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