SSC JE Electrical 2019 with solution SET-2
The candle power of a lamp placed normal to a working plane is 60 CP. Find the distance if the illumination is 15 lux?

1.5 meters
4 meters
2 meters
2.5 meters

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SSC JE Electrical 2019 with solution SET-2
If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/4r)*(At/m)
(1/r)*(At/Wb)
(1/r)*(At/m)
(1/2r)*(At/m)

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SSC JE Electrical 2019 with solution SET-2
The 2’s complement of 1010101 is

0101011
1110011
0101010
1101010

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SSC JE Electrical 2019 with solution SET-2
Four types of power plants have been given out of which three are alike in some manner and one is different. Select the odd one?

Hydro-electric power plant
Thermal power plant
Solar power plant
Nuclear power plant

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SSC JE Electrical 2019 with solution SET-2
Conductors experience skin effect in

DC transmission
Both AC and DC transmissions
AC transmission
HVDC transmission

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SSC JE Electrical 2019 with solution SET-2
____ Lamps are used to light up sports stadiums?

Sodium vapor lamps
LED lamps
Incandescent lamps
Fluorescent lamps

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