3. (30 points) In an RLC circuit with a resistance of 100 ohm connected to an...

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Answer 1

Answer #1

current leads the voltage so this is capacitive circuit.

Xc > XL

(A) phase constant = 0.25 ( 90 deg ) = 22.5 deg

(B) more capacitive

(C) cos(phi) = R / Z

Z = 100 / cos22.5 = 108.2 ohm

I = 80 / 108.2 = 0.739 A

Irms = I / sqrt(2) = 0.523 A

P_avg = Irms^2 R = 27.3 W

Answer 2

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