SSC JE Electrical 2019 with solution SET-1
 If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

dΦ − dA
Φ × A
dΦ ⁄ dA
dA ⁄ dΦ

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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

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

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SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Isolator
Circuit breaker
Air-break switch
Rewireable fuse

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SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

√2 × maximum value
0.5 × maximum value
0.637 × maximum value
2 × maximum value

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