Three Phase Induction Motors If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to (1+S) × rotor input (1-S) × rotor input S × rotor input None of the listed here (1+S) × rotor input (1-S) × rotor input S × rotor input None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If an induction motor is running at slip S, then rotor output is ______ S × rotor input (S-1) × rotor input (1-S) × rotor input (1+S) × rotor input S × rotor input (S-1) × rotor input (1-S) × rotor input (1+S) × rotor input ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Four times None of the listed here Two times Equal to Four times None of the listed here Two times Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is None of the listed here Inveresly proportional to supply voltage Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill None of the listed here Inveresly proportional to supply voltage Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______ 500 W 980 W 200 W 20 W 500 W 980 W 200 W 20 W ANSWER DOWNLOAD EXAMIANS APP