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

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
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