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

350 W
450 W
300 W
800 W

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

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SSC JE Electrical 2018 with solution SET-1
 What will be the voltage (in V) across an 8H inductor, when the rate of change of current flowing through it is 0.5A/sec

6
8
4
2

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SSC JE Electrical 2018 with solution SET-1
The welding electric circuit is______

Never Earthed
None of these
Through cables Only
Always Earthed

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