RC circuits: A 4.0-mF capacitor is discharged through a 4.0-kΩ resistor. How long will it take for the capacitor to lose half its initial stored energy?
A) 9.2 s
B) 2.7 s
C) 10.2 s
D) 5.5 s
E) 1.6 s

Question

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The Answer of RC circuits: A 4.0-mF capacitor is discharged through a 4.0-kΩ resistor. How long will it take for the capacitor to lose half its initial stored energy?
A) 9.2 s
B) 2.7 s
C) 10.2 s
D) 5.5 s
E) 1.6 s

RC Circuits: a 4