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Electrical Machines
An induction motor is, in general analogous to
None of these
auto transformer.
two winding transformer with secondary open circuited.
two winding transformer with secondary short circuited.
None of these
auto transformer.
two winding transformer with secondary open circuited.
two winding transformer with secondary short circuited.
Answer
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Related Question
Electrical Machines
The emf induced in a conductor rotating in a bipolar field is
DC.
AC.
both of above.
None of these
DC.
AC.
both of above.
None of these
Answer
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Electrical Machines
Which of the following induction motor has maximum speed?
4 pole.
2 pole.
8 pole.
6 pole.
4 pole.
2 pole.
8 pole.
6 pole.
Answer
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Electrical Machines
A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle?
18°
20°
60°
30°
18°
20°
60°
30°
Answer
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Electrical Machines
A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor?
zero
1470 rpm
1500 rpm
30 rpm
zero
1470 rpm
1500 rpm
30 rpm
Answer
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Electrical Machines
In an induction motor, what is the ratio of rotor input to rotor copper loss?
S
1/(1-S)
1/S
1-S
S
1/(1-S)
1/S
1-S
Answer
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