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It takes 2.95 ms for the current in an LR circuit to increase from zero to...

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Question

Physics

It takes 2.95 ms for the current in an LRcircuit to increase from zero to 0.85 its maximum value.

Part A

Determine the time constant of the circuit.

Express your answer to two significant figures and include theappropriate units.

Ï„ =

Part B

Determine the resistance of the circuit if L = 22.0 mH.

Express your answer to two significant figures and include theappropriate units.

R =

Answer & Explanation Solved by verified expert
4.2 Ratings (816 Votes)
In LR circuit time taken t 295 ms 295 x 103 secchange in current I I0 085 APartA The time constant of    See Answer
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