Questions
An alternating e.m.f. of 200 V and 50 cycles is connected to a circuit of resistance and inductance 0.01 H. The lag in time between the e.m.f. and the current is
detailed solution
Correct option is B
tanθ=XLR=1 ∴θ=450t=θ×Time period 360Similar Questions
In an ac circuit, the potential differences across an inductance and resistance joined in series are, respectively, 16 V and 20 V. The total potential difference across the circuit is
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