Questions
An e.m.f. of 15 v is applied in a circuit containing 5 H inductance and resistance. The ratio of the currents at time and at t = 1 s is
detailed solution
Correct option is B
i=i01-e-Rt/Li0=ER (Steady current) when t=∞i∞=ER1-e-∞=510=1.5i1=1.51-e-R/L=1.51-e-2⇒i∞i1=11-e-2=e2e2-1Talk to our academic expert!
Similar Questions
In the circuit shown, one of the inductors used is ideal. The potential difference across the batteries is10 V. The current drawn from the battery at steady state, after the switch is closed is
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