Questions
In the circuit shown, switch S is closed at time t = 0. The charge which passes through the battery in one time constant is
detailed solution
Correct option is C
The current at time t is given byi=i01-e-t/τ Where i0=ER and τ=LR So dQ=idt=i01-e-t/τdtQ=∫dQ=∫0τi01-et/τdt=i0∫0τdt-∫0τe-t/τdt⇒Q=ER·LRe=ELeR2⇒Q=ELeR2Talk 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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