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

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

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SSC JE Electrical 2019 with solution SET-1
 The meter constant of an energy meter will be given in:

Revolutions/kWh
Revolutions/kW
kW/Revolutions
kWh/Revolutions

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

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

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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:

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

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