SSC JE Electrical 2019 with solution SET-1
 Which of the following is the function of the moderator in a nuclear reactor?

Controlling chain reaction
Stopping chain reaction
To slow down the fast-moving electron
Starting chain reaction

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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

Less than the induced EMF, with negative regulation
Equal to the induced EMF, with zero voltage 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
 Lamp efficiency is measured in

Lumen/lux
Candela/watt
Lux/watt
Lumen/watt

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SSC JE Electrical 2019 with solution SET-1
 H = ____is the expression for the magnetic field due to an infinite linear current-carrying conductor

(μI ⁄ 2r) A/m
(μI ⁄ 2Πr) A/m
(I ⁄ 2Πr) A/m
(I ⁄ 2r) A/m

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SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Circuit breaker
Rewireable fuse
Isolator
Air-break switch

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