SSC JE Electrical 2019 with solution SET-1
 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

1
4
0.5
2

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

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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
dA ⁄ dΦ
dΦ ⁄ dA
Φ × A

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SSC JE Electrical 2019 with solution SET-1
  In a capacitor start single phase induction motor the current in the:

The main winding leads the voltage
Starting winding lags the voltage
Supply lines lead the voltage
Starting winding leads the voltage

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