Three Phase Induction Motors
The torque developed in the cage induction motor with auto-starter is

K2 × torque with direct switching
k/torque with direct switching
K × torque with direct switching
k2/torque with direct switching

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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
Magnetic field and rotor rotate in opposite direction
Rotor speed is less than the synchronous speed of the field and are in the same direction

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