In ac circuit, resistance 5 ohm is connected with capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the voltage across resistance.(a) 300 V(b) 200 V(c) 240 V(d) 100 VThis question was posed to me in an internship interview.I'm obligated to ask this question of Resistance and Capacitance in Series topic in section Single Phase Series Circuits of Basic Electrical Engineering

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

1.	In ac circuit, resistance 5 ohm is connected with capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the voltage across resistance.(a) 300 V(b) 200 V(c) 240 V(d) 100 VThis question was posed to me in an internship interview.I'm obligated to ask this question of Resistance and Capacitance in Series topic in section Single Phase Series Circuits of Basic Electrical Engineering
Answer» RIGHT ANSWER is (d) 100 V The BEST EXPLANATION: Z^2=R^2+XC^2Substituting the values we get Z^2 = 5^2 + 12^2 Z^2 = 169 Z=13 Ω. I = V/Z = 260/13=20 A. VR=iR=20*5=100 V.

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