SSC JE Electrical 2018 with solution SET-1
 Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by means of a

Thermal Relay
Centrifugal Switch
None of these
Magnetic Relay

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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

6.25
7.92
8.84
5.75

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SSC JE Electrical 2018 with solution SET-1
Determine the magnetic field strength (in A/m) of a material when the intensity of magnetization of the material is 0.084 Amp/m and the magnetic susceptibility of the material is 0.0012

70
700
0.7
0.07

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SSC JE Electrical 2018 with solution SET-1
In the synchronous motor, damper winding is placed at

Rotor
Both Stator and Rotor
Stator
Yoke

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SSC JE Electrical 2018 with solution SET-1
 What is the value of current I4 (in A) for the given junction?

−4
4
−6
6

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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

6.69
4.64
6.67
5.65

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