Electric Circuits A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is 339∠45o V. 480∠ - 45o V. 339∠- 45o V. 480∠45o V. 339∠45o V. 480∠ - 45o V. 339∠- 45o V. 480∠45o V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. lags the emf by 90o. is in phase with emf. leads the emf by - 90o. leads the emf by 90o. lags the emf by 90o. is in phase with emf. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is zero. pulsating with zero average. constant. pulsating with non zero average. zero. pulsating with zero average. constant. pulsating with non zero average. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. 0.5R. 2R. R. 4R. 0.5R. 2R. R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the unit of potential difference ? Ohm Ampere Watt Volt Ohm Ampere Watt Volt ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 6:3:2. 6:4:2. 2:3:6. 2:4:6. 6:3:2. 6:4:2. 2:3:6. 2:4:6. ANSWER DOWNLOAD EXAMIANS APP
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