A 40.0- $\mu$ F capacitor is charged to 120 V and is then connected across a 500- $\Omega$ resistor. The time constant for the circuit is
A) 4.0 ms.
B) 3.0 ms.
C) 2.0 ms.
D) 1.5 ms.
E) 1.0 ms.

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The Answer of A 40.0- $\mu$ F capacitor is charged to 120 V and is then connected across a 500- $\Omega$ resistor. The time constant for the circuit is
A) 4.0 ms.
B) 3.0 ms.
C) 2.0 ms.
D) 1.5 ms.
E) 1.0 ms.

A 400- μ\muμ F Capacitor Is Charged to 120 V and Is Then

A 400- $\mu$ F Capacitor Is Charged to 120 V and Is Then