SSC JE Electrical 2019 with solution SET-1
 Lamp efficiency is measured in

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

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SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Hydro-electric power plant
Thermal power plant
Gas power plant
Nuclear power plant

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SSC JE Electrical 2019 with solution SET-1
 The Norton’s current in the circuit shown below is

120A
12A
4A
2A

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SSC JE Electrical 2019 with solution SET-1
 If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

Φ × A
dA ⁄ dΦ
dΦ ⁄ dA
dΦ − dA

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

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