Three Phase Induction Motors
Insertion of resistance in the rotor of an induction motor to develop a given torque

Increases the rotor current
Decreases the rotor current
Rotor current remains same
Rotor current becomes zero

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
As load on an induction motor goes on increasing

Its power factor goes on increasing even after full load
Its power factor remains constant
Its power factor goes on decreasing
Its power factor goes on increasing up to full load and then it falls again

ANSWER DOWNLOAD EXAMIANS APP