Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. R. 2R. 0.5R. 4R. R. 2R. 0.5R. 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 none of these. 411.3 W. 618 W. 1236 W. none of these. 411.3 W. 618 W. 1236 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Super position theorem is not applicable for None of these power calculations. current calculations. voltage calculations. None of these power calculations. current calculations. voltage calculations. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Number of branches of a graph should be --------- number of branches of a network less than equals to equals to greater than less than less than equals to equals to greater than less than ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current 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. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance? 200 times. Nil. 20 times. 60 times. 200 times. Nil. 20 times. 60 times. ANSWER DOWNLOAD EXAMIANS APP