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? 7 A. 10 A. 20 A. 15 A. 7 A. 10 A. 20 A. 15 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits While Thevenizing a circuit between two terminals, VTH is equal to net voltage available in the circuit. short circuit terminal voltage. open circuit terminal voltage . none of these. net voltage available in the circuit. short circuit terminal voltage. open circuit terminal voltage . none of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 3.149 1 2.56 0.5 3.149 1 2.56 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 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 Unit of apparent power is Watts. VA. VAR. KWhr. Watts. VA. VAR. KWhr. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS