SSC JE Electrical 2019 with solution SET-1
 H = ____is the expression for the magnetic field due to an infinite linear current-carrying conductor

(I ⁄ 2r) A/m
(I ⁄ 2Πr) A/m
(μI ⁄ 2r) A/m
(μI ⁄ 2Πr) A/m

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

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

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SSC JE Electrical 2019 with solution SET-1
 For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

1, 6 and 12
1, 5 and 10
1, 7 and 14
1, 4 and 8

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