Q.

A series LCR circuit is designed to resonate at an angular frequency ω0=105rad/s. The circuit draws 16 W power from 120 V source at resonance. The value of resistance ‘R’ in the circuit is …… Ω .

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answer is 900.

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Detailed Solution

At resonance, power is consumed only by resistor. P=V2R R=120216=900 Ω

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