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

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

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

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

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

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

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