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In the circuit shown,how soon will the coil current reach eeta fraction of the steady state value?

In the circuit shown,how soon  will the coil current reach eeta fraction of the steady state value?

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Grade:12

2 Answers

Neeti
571 Points
6 years ago
the current becomes 1/eeta of the final current at a time = \tau which is the time constant. time constant of an LR circuit is = L/R 
If you like and understand the answer, please approve :)
pa1
357 Points
6 years ago
 
the current becomes 1/eeta of the final current at a time = \tau which is the time constant. time constant of an LR circuit is = L/R 
If you like and understand the answer, please approve :)

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