Network Analysis and Synthesis - ECE Questions and Answers

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A series RC circuit has R = 5 Ω and C = 10 μF. The current in the circuit is 5 sin 20000t. The applied voltage is

252 sin (20000t + 45°)

252 sin (20000t - 45°)

252 sin 20000t

252 sin (20000t - 90°)

Answer : Option B

Explanation :

Z = R² + X_C² = 50

V = 550 sin(20000 t - 45°)

V = 252 sin(20000 t - 45°)

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