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

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

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SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

4 A/m
2 A/m
8 A/m
1 A/m

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