SSC JE Electrical 2019 with solution SET-1
Please check out below figure.

10 Ω
1 Ω
5 Ω
2 Ω

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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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SSC JE Electrical 2019 with solution SET-1
 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

40Ω
10Ω
30Ω
20Ω

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SSC JE Electrical 2019 with solution SET-1
 P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Meter per hour
Meter per second
Cubic meter per second
Square meter per second

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