SSC JE Electrical 2018 with solution SET-1
 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

800 W
450 W
350 W
300 W

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SSC JE Electrical 2018 with solution SET-1
 Determine the value of produced mmf (in Amp-turns) in a coil if the coil has a 120 turns carrying a current of 0.1 A

14
18
12
16

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SSC JE Electrical 2018 with solution SET-1
 If a fixed amount of power is to be transmitted over a certain length with the fixed power loss then_____,

The weight of the conductor will be proportional to the square of the voltage and directly proportional to the power factor of the load.
The weight of the conductor required will be inversely proportional to the voltage and that of the power factor of the load
The weight of the conductor required will be proportional to the voltage
The weight of the conductor required will be inversely proportional to the square of the voltage and that of the power factor of the load

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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

5.65
6.67
4.64
6.69

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