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1. Question1 points
The two winding of a transformer is
2. Question1 points
The d.c. series motor should always be started with load because
3. Question1 points
The power factor of a squirrel cage induction motor is
4. Question1 points
When a synchronous motor is running at synchronous speed, the damper winding
5. Question1 points
If a transformer primary is energised from a square wave voltage source, its output
voltage will be
6. Question1 points
The emf induced in the primary of a transformer
7. Question1 points
The relative speed between the magnetic fields of stator and rotor under steady state
operation is zero for a
8. Question1 points
The size of a conductor used in power cables depends on the
9. Question1 points
Out of the following methods of heating the one which is independent of supply
10. Question1 points
A ceiling fan uses