Electric Circuits In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is 12 A. 8 A. 6 A. 10 A. 12 A. 8 A. 6 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is 1. 1/4. 4. 16. 1. 1/4. 4. 16. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be 0 A. 10 A. 6 A. 5 A. 0 A. 10 A. 6 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is RBY. BRY. RYB. YRB. RBY. BRY. RYB. YRB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 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? 10 Hz. 100 Hz. 1000 Hz. 1 Hz. 10 Hz. 100 Hz. 1000 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP