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1. |
In the circuit shown the switch is opened at t = 0 after having been closed for a long time. Current through the resistor for t > 0 is given by: |
A. | 4 e-50t |
B. | 5 e-50t |
C. | 4 e-120t |
D. | 3 e-120t |
Answer» D. 3 e-120t | |