Electric Circuits The value of supply voltage for 400 W, 4 Ω load is 400 V. 20 V. 40 V. 200 V. 400 V. 20 V. 40 V. 200 V. 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. 15 A. 20 A. 10 A. 7 A. 15 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 2 μsec 4 msec 1 μsec 2 msec 2 μsec 4 msec 1 μsec 2 msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is 1236 W. none of these. 618 W. 411.3 W. 1236 W. none of these. 618 W. 411.3 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? short circuit. open circuit. dielectric losses increases. dielectric losses decreases. short circuit. open circuit. dielectric losses increases. dielectric losses decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Circle Straight line Semicircle Triangle Circle Straight line Semicircle Triangle ANSWER DOWNLOAD EXAMIANS APP