A rectangular loop of wire ABCD is kept close to an infinitely long wire carrying a current` I (t ) = I_o (1 – t /T ) `for 0 ≤ t ≤ T and `I (0) = 0 'for' t > T` (Fig. ). Find the total charge passing through a given point in the loop, in time T. The resistance of the loop is R. Q