15.16: RLC Series Circuits with AC (Q15.3.4)

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A resistor and inductor are connected in series across an ac generator. The emf of the generator is given by \(\displaystyle v(t)=V0cosωt,\) where \(\displaystyle V0=120V\) and \(\displaystyle ω=120πrad/s\); also, \(\displaystyle R=400Ω\) and \(\displaystyle L=1.5H\).

(a) What is the impedance of the circuit?

(b) What is the amplitude of the current through the resistor?

(d) Write expressions representing the voltages across the resistor and across the inductor.

Text Question

(a) What is the impedance of the circuit?

(b) What is the amplitude of the current through the resistor?

(d) Write expressions representing the voltages across the resistor and across the inductor.

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