Choose the one alternative that best completes the statement or answers the question. -A resistor and an inductor are connected in series to a battery. The battery is suddenly removed from

Choose the one alternative that best completes the statement or answers the question.
-A resistor and an inductor are connected in series to a battery. The battery is suddenly removed from the circuit and replaced by a wire to complete the circuit. The time constant for of the new
Circuit represents the time required for the current to decrease to
A) 63% of the original value.
B) 37% of the original value.
C) 75% of the original value.
D) 25% of the original value.
E) zero.

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