An AC generator supplies an rms voltage of 230 V at 50.0 Hz. It is connected in

Question

An AC generator supplies an rms voltage of 230 V at 50.0 Hz. It is connected in series with a 0.600 H inductor, a 5.40 ?F capacitor and a 401 ? resistor.

a)What is the impedance of the circuit?

b)What is the rms current through the resistor?

c)What is the average power dissipated in the circuit?


d)What is the peak current through the resistor?


e)What is the peak voltage across the inductor?


f)What is the peak voltage across the capacitor?


g)The generator frequency is now changed so that the circuit is in resonance. What is that new (resonance) frequency?


PLEASE SHOW WORK

Explanation / Answer

inductor=0.6 H==>capacitor=5.4 F==>resistor=401 ==>gen V=230 V

xL=2**50*0.6188.5 ==>XC=1/(2**50*5.4 E-6)589.5

a) (4012+(XL-XC)2)567.1 =Z

b) 230/567.10.4056 A=Itotal=IR

c) Pavg=I2*R65.97 W in steady state only

d) peak current is I*20.5736 A

e) Ipeak*XL=108.12 V

f) Ipeak*XC=338.11 V

g) fo=1/(2**(L*C))88.42 Hz

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