Questions
In an LR-circuit, the inductive reactance is equal to the resistance R of the circuit. An e.m.f. E = Eo Cos(ωt) applied to the circuit. The power consumed in the circuit is
detailed solution
Correct option is C
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An LCR series circuit with a resistance of 100 ohm is connected to an ac source of 200 V (r.m.s.) and angular frequency 300 rad/s. When only the capacitor is removed, the current lags behind the voltage by 60o . When only the inductor is removed the current leads the voltage by 60o . The average power dissipated is
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