A series LCR circuit with L=0.12H, C = 4...

A series LCR circuit with L=0.12H, C = 480 nF, `R= 23 Omega` is connected to a 230 V variable frequency supply. For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies?

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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE

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