(b) For the circuit of Figure 7, the switch S is closed at t = 0,...

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(b) For the circuit of Figure 7, the switch S is closed at t = 0, a steady state having previously existed. Find the expression for the current in the resistor R for t > 0. You may use any Network Theorem. [4] t = 0 S 102 10Ω 1H 1 H 50 V 10Ω 10Ω R Figure 7: Circuit diagram for problem 8b (b) For the circuit of Figure 7, the switch S is closed at t = 0, a steady state having previously existed. Find the expression for the current in the resistor R for t > 0. You may use any Network Theorem. [4] t = 0 S 102 10Ω 1H 1 H 50 V 10Ω 10Ω R Figure 7: Circuit diagram for problem 8b