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

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

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

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SSC JE Electrical 2019 with solution SET-1
 In a transmission line, the voltage regulation is negative whenever receiving end voltage Vs

Half of the sending end voltage
Less than the sending end voltage
Equal to the sending end voltage
Greater than the sending end voltage

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SSC JE Electrical 2019 with solution SET-1
 Two bulbs of rating 230V, 60W, and 230V, 100W are connected in parallel across supply mains, Identify the correct statement

Neither bulb will glow
The 100W bulb will glow brighter
Both will glow equally bright
The 60W bulb will glow brighter

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