Questions
In series with resistor, & 5 H inductor is placed. To the combination an e.m.f. of 5 V is applied. What will be the rate of increase of current at t = 0.25 s?
detailed solution
Correct option is C
i=i01-e-Rt/L⇒didt=i0RLe-Rt/L=ELe-Rt/L⇒didt=55e-20×0.255=e-1Talk to our academic expert!
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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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