For t 0 the zero-input response of the circuit in Figure P732 is iL(t) 150e500t mA.

For t 0 the zero-input response of the circuit in Figure P7–32 is iL(t) ¼ 150e500t mA.

(a) Find L and vL(t) when R ¼ 500 V.

(b) Find the energy stored in the inductor at t ¼ 0.5 ms.

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+ iL(t) R VL(t) L FIGURE P7-32