In ac circuit, resistance 5 ohm is connected with a capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the voltage across a capacitor.(a) 300 V(b) 200 V(c) 240 V(d) 100 VThis question was addressed to me by my college director while I was bunking the class.This is a very interesting question from Resistance and Capacitance in Series in chapter Single Phase Series Circuits of Basic Electrical Engineering

In ac circuit, resistance 5 ohm is connected with a capacitor having c

1.	In ac circuit, resistance 5 ohm is connected with a capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the voltage across a capacitor.(a) 300 V(b) 200 V(c) 240 V(d) 100 VThis question was addressed to me by my college director while I was bunking the class.This is a very interesting question from Resistance and Capacitance in Series in chapter Single Phase Series Circuits of Basic Electrical Engineering
Answer» CORRECT choice is (c) 240 V Easiest EXPLANATION: Z^2=R^2+XC^2 SUBSTITUTING the values we get Z^2 = 5^2 + 12^2 Z^2 = 169 Z=13 Ω. I = V/Z = 260/13=20 A. VC=iXC=20*12=240 V.

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