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

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Three Phase Induction Motors
Slip of an induction motor is negative when

None of these
Rotor speed is more than the synchronous speed of the field and are in the same direction
Rotor speed is less than the synchronous speed of the field and are in the same direction
Magnetic field and rotor rotate in opposite direction

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