Electric Circuits A current is said to be alternating when it changes in direction. both ‘a’ and ‘b’. magnitude. none of these. direction. both ‘a’ and ‘b’. magnitude. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell, hydrogen is liberated at both plates. positive plate. negative plate. none of the plates. both plates. positive plate. negative plate. none of the plates. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. flux linking with the coil is maximum. rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. flux linking with the coil is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is 90o. 45o. 0o. 30o. 90o. 45o. 0o. 30o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance n2 / R. nR . n2R. R / n2. n2 / R. nR . n2R. R / n2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 33.33 % of the original load. 25 % of the original load. 50 % of the original load. 66.66 % of the original load. 33.33 % of the original load. 25 % of the original load. 50 % of the original load. 66.66 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
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