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

dA ⁄ dΦ
dΦ ⁄ dA
Φ × A
dΦ − dA

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SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Lagging
Unity
Zero
Leading

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SSC JE Electrical 2019 with solution SET-1
 Which motor is referred to as a universal motor?

Synchronous
Series
Shunt
Single-phase induction

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

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SSC JE Electrical 2019 with solution SET-1
 Which of the following is the correct relation regarding coupled coils?

M = (L1 + L2)/2
M > (L1L2)0.5
M = (L1 − L2)/2
M ≤ (L1L2)0.5

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