SSC JE Electrical 2019 with solution SET-1
 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

String efficiency
Disc efficiency
Transmission line efficiency
Insulator efficiency

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SSC JE Electrical 2019 with solution SET-1
 If an alternator is operating at unity power factor, then its terminal voltage is

Equal to the induced EMF, with zero voltage regulation
Less than the induced EMF, with positive voltage regulation
Less than the induced EMF, with negative regulation
Greater than the induced EMF, with negative voltage regulation

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SSC JE Electrical 2019 with solution SET-1
 Which of the following is the correct relation regarding coupled coils?

M > (L1L2)0.5
M = (L1 − L2)/2
M ≤ (L1L2)0.5
M = (L1 + L2)/2

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SSC JE Electrical 2019 with solution SET-1
 The law that explains about the economic size of a conductor is:

Lamberts law
Newton’s law
Kelvin’s law
Faraday’s law

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