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An LCR circuit has L = 10 mH, R = 3 Omeg...

An LCR circuit has L = 10 mH, `R = 3 Omega` and `C = 1 mu F` connected in series to a source of 15 copy `cos omega t`.volt. Calculate the current ampliuted and the average power dissipated per cycle at a frequency 10% lower than the resonance frequency.

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