An LR circuit is prepared for an experiment,initially with its switch open.The time constant is that time after switch closure at which the current reaches what percentage of its final value
A) 100%
B) 90%
C) 37%
D) 63%
E) 50%

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The Answer of An LR circuit is prepared for an experiment,initially with its switch open.The time constant is that time after switch closure at which the current reaches what percentage of its final value
A) 100%
B) 90%
C) 37%
D) 63%
E) 50%

An LR Circuit Is Prepared for an Experiment,initially with Its