Electric Circuits In series RLC circuit what is the power factor just above the resonance frequency? Unity Zero Lagging Leading Unity Zero Lagging Leading ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (3 + j4) pu (2 + j4) pu (4 + j3) pu (4 + j2 ) pu (3 + j4) pu (2 + j4) pu (4 + j3) pu (4 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will decrease. increase. none of these. remain constant. decrease. increase. none of these. remain constant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2) √(ω1² + ω2²) ω1 / ω2 ω1 - ω2 ω1 + ω2 √(ω1² + ω2²) ω1 / ω2 ω1 - ω2 ω1 + ω2 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 100% 90% 63.2% 68.3% 100% 90% 63.2% 68.3% ANSWER DOWNLOAD EXAMIANS APP