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Calculating capacitance and amplitude of a voltage

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An L-R-C series circuit consists of a source with voltage amplitude 120V and angular frequency 50.0 rad/s, a resistor with R = 400 ohms, an inductor with L = 9.00H and a capacitor with capacitance C.

a) For what value of C will the current amplitude in the circuit be a maximum?
b) When C has the value calculated in part (a), what is the amplitude of the voltage across the inductor?

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Solution Summary

This solution calculates the value of capacitance for which the current amplitude of a circuit will be a maximum, and calculates the amplitude of the voltage across the inductor at that capacitance.

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