A generator is connected to a resistor and a 0.028-H inductor in series. The rms voltage...
A generator is connected to a resistor and a 0.028-H inductor in series. The rms voltage across the generator is 9.5 V. When the generator frequency is set to 110 Hz, the rms voltage across the inductor is 3.5 V. Determine the resistance of the resistor in this circuit.
Homework Answers
w = Angular frequencr = 2*pi*f = 2*pi*110 = 691.15 rad/s
XL=Inductive reactance = w*L = 691.15*0.028 = 19.35 ohms
CurrentI=VL/ XL = 3.5/19.35 = 0.1808 amps
Impedance = Z = V/I = 9.5/0.1808= 52.54 ohms
Z =(R+XL)
Resistance of the resistor R = 52.54 - 19.35 = 33.19 ohms
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