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Question
An 8.0-mH inductor and a 2.0-
resistor are wired in series to an ideal battery. A switch in the circuit is closed at timet= 0, at which time the current is zero. The current reaches half its final value at a time of:
A) 2.8 ms
B) 4.0 ms
C) 3.0 s
D) 170 s
E) 250 s
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
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