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