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A series LCR circuit with L=25 mH, C = 12 µF, and R = 50 Ω...

A series LCR circuit with L=25 mH, C = 12 µF, and R = 50 Ω is driven by a generator with a maximum emf of 25 V.

a) What is the resonance frequency?

b) What is the current at resonance?

c) What are the reactances χC and χL at double the resonance frequency?

d) Draw the voltage phasor diagram at double the resonance frequency?

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