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

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

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SSC JE Electrical 2019 with solution SET-1
 The output of the logic circuit given below represents the gate.

AND
NAND
OR
NOR

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SSC JE Electrical 2019 with solution SET-1
 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

40Ω
30Ω
20Ω
10Ω

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