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1. |
During discharging of a capacitor of C = 100 μf through a resistance of 1 KΩ applied with 50 V, the voltage at the time of its time constant is: |
A. | 18.5 V |
B. | 20 V |
C. | 15 V |
D. | 50 V |
Answer» B. 20 V | |