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A series RLC circuit consists of a 40.0 Ω resistor, a 2.70 mH inductor, and a...

A series RLC circuit consists of a 40.0 Ω resistor, a 2.70 mH inductor, and a 410 nF capacitor. It is connected to a 3.0 kHz oscillator with a peak voltage of 6.00 V.

A. What is the instantaneous emf when i =I?

B. What is the instantaneous emf  when i =0 A and is decreasing?

C. What is the instantaneous emf  when i =−I?

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