SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

√2 × maximum value
0.5 × maximum value
2 × maximum value
0.637 × maximum value

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To protect the motor from overloading
To improve the starting performance of the motor
To out in the capacitor during running conditions
To cut-off the starting winding at an appropriate instant

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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
dΦ ⁄ dA
dA ⁄ dΦ
dΦ − dA

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

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

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