SSC JE Electrical 2018 with solution SET-1
The speed of a synchronous motor can be changed by

Changing the load
Changing the frequency
Changing the supply Terminals
Changing the supply voltage

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SSC JE Electrical 2018 with solution SET-1
 Determine the magnitude of EMF (in V) induced between the axis of rotation and the rim of the disc, when the disc of radius 10 cm rotates with an angular velocity of 60 revolutions per second and placed in the magnetic field of 3 T acting parallel to the rotation of the disc

6.67
4.64
6.69
5.65

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SSC JE Electrical 2018 with solution SET-1
 Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

5.75
7.92
6.25
8.84

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SSC JE Electrical 2018 with solution SET-1
 A zero watt Lamp consumes

About 25 to 30 W  Power
About 15 to 20 W power
No power
About 5 to 7 W power

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