21.
In induction motors, the difference between the number of stator and rotor slots should not be
A
P
B
2P
C
5P
D
Any of the above
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In induction motors, the difference between the number of stator and rotor slots should not be
P
2P
5P
Any of the above
In induction motors, small air gap __________ power factor and __________ noise level
Increases .......... reduces
Reduces .......... increases
Reduces..........also reduces
Increases..........also increases
The magnetizing current of an induction motor will be __________ for __________ air gap
Larger .......... smaller
Larger ......... larger
Smaller....... larger
Smaller...........smaller
The power factor of the induction motor will be __________ if the magnetizing current is __________
Low......low
High........high
High.....low
Low ....... high