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?

2.5 meters
4 meters
1.5 meters
2 meters

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SSC JE Electrical 2019 with solution SET-2
Which of the following lamps is used s a sign or an indicator lamp?

Fluorescent lamp
Halogen lamp
Neon lamp
Incandescent lamp

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

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SSC JE Electrical 2019 with solution SET-2
If the AC voltage and current are given by the following expressions?
v = 200sin (314t — 60°)
i = 50sin (720t), then what is the phase relation between them?

Can’t be determined
Voltage and current are in phase
Voltage lags current by 60°
Voltage leads current by 60°

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