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A solenoid is 2.0 mm long and has 470 turns per meter. How long does it...

A solenoid is 2.0 mm long and has 470 turns per meter.

How long does it take for the current in an RLRLRL circuit with RRR = 140 ΩΩ and LLL = 76 mHmH to reach half its final value?

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Answer #1

I didn't find the data given for solenoid useful anywhere. I have proceed with the general expression of current in a RL circuit and then put the given condition. Thanx and regards.

mummon -max max 2 → In A LR circuit, Current at any timet is given by I 4 = I max (i-e {) ; Imax = ☆ - from Qs condition we

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