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. RYB. BYR. YBR. RBY. RYB. BYR. YBR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is 10 3 μF. 10- 3 μF. 10 6 μF. 10- 6 μF. 10 3 μF. 10- 3 μF. 10 6 μF. 10- 6 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of lead acid cell is _______________ that of Edison cell. equal to. less than. more than. none of above. equal to. less than. more than. none of above. 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? (4 + j2 ) pu (4 + j3) pu (3 + j4) pu (2 + j4) pu (4 + j2 ) pu (4 + j3) pu (3 + j4) pu (2 + j4) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just bellow the resonance frequency? Zero Unity Leading Lagging Zero Unity Leading Lagging ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain a high value of capacitance, the permittivity of dielectric medium should be low zero unity high low zero unity high ANSWER DOWNLOAD EXAMIANS APP
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