4. Assume the following values for the circuit depicted in Figure 4: R1 = 102, R2 = 1N, L1 = 2 H, L2 = 1H, and M = 500 nH. Calcuate the input impedance for w = 10 rad/s if ZL is equal to () 10 [5] [5] [5] (b) jN (c) -jN (d) 5/332 [5] M R1 R2 V, L2 I2 ZL V2 Figure 4: Circuit for Problem 4