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A series RLC circuit with R = 49 ? , L = 220 mH , and...

A series RLC circuit with R = 49 ? , L = 220 mH , and C = 3.9 ?F is connected across a sine-wave generator whose peak output voltage is independent of frequency.

Find the maximum frequency of the frequency range over which the peak current will exceed half its value at resonance.

Express your answer using three significant figures.

fmax =

___

Hz  

I'm on my last try. Thanks in advance!

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