SSC JE Electrical 2019 with solution SET-1
 Hysteresis loss is NOT a function of

The volume of a material
Steinmetz co-efficient of material
Ambient temperature
Frequency

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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
20Ω
30Ω
10Ω

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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
kWh/Revolutions
kW/Revolutions
Revolutions/kW

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