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 618 W. none of these. 411.3 W. 1236 W. 618 W. none of these. 411.3 W. 1236 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the SI unit of electric current ? None of these Ohm. Ampere. Faraday. None of these Ohm. Ampere. Faraday. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is 100 watt. maximum power. zero watt. a few watt. 100 watt. maximum power. zero watt. a few watt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? RBY. BYR. RYB. YBR. RBY. BYR. RYB. YBR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Millman’s theorem. Norton’s theorem. Superposition theorem. Thevenin’s theorem. Millman’s theorem. Norton’s theorem. Superposition theorem. Thevenin’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A branch of a network is said to be passive when it contains voltmeter. voltage source. current source. battery. voltmeter. voltage source. current source. battery. ANSWER DOWNLOAD EXAMIANS APP