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 meters
4 meters
1.5 meters
2.5 meters

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

The product of current and number of turns enclosed by that path
Magnetic flux density
The product of flux and number of turns enclosed by that path
Reluctance

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP