SSC JE Electrical 2019 with solution SET-1
 A coil is wound with 50 turns and a current 8A produces a flux of 200μWb. Calculate the inductance of the coil

2.5 mH
0.125 mH
1.25 mH
0.25 mH

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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
 Which of the following should be used under no-load conditions?

Isolator
Air-break switch
Circuit breaker
Rewireable fuse

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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

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

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

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