Electric Circuits What is the real power in AC operation? VIcosφ. Apperant power × cosφ. None of these. Both option A and B. VIcosφ. Apperant power × cosφ. None of these. Both option A and B. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? None of these The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 10 A. 7 A. 20 A. 15 A. 10 A. 7 A. 20 A. 15 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 1600 Ω. 200 Ω. 400 Ω. 800 Ω. 1600 Ω. 200 Ω. 400 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10Ω resistor is stretched to increase its length double. Its resistance will now be 40 Ω. 10 Ω. 20 Ω. 5 Ω. 40 Ω. 10 Ω. 20 Ω. 5 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The breakdown voltage for paper capacitor is usually 2000 to 3000 volts. 200 to 1600 volts. more than 10000 volts. 20 to 60 volts. 2000 to 3000 volts. 200 to 1600 volts. more than 10000 volts. 20 to 60 volts. ANSWER DOWNLOAD EXAMIANS APP