SSC JE Electrical 2018 with solution SET-1
A circuit having the power factor of 0.8 consumes 40 W. What will be the value of reactive power (in VAR) of the circuit?

40
20
10
30

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SSC JE Electrical 2018 with solution SET-1
 What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?

60
100
50
80

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SSC JE Electrical 2018 with solution SET-1
 A zero watt Lamp consumes

About 5 to 7 W power
No power
About 25 to 30 W  Power
About 15 to 20 W power

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SSC JE Electrical 2018 with solution SET-1
 Scott connections are used for

Single-phase to three-phase transformation
Three-phase to two-phase transformation
Any of the above
Three Phase to Single Phase transformation

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SSC JE Electrical 2018 with solution SET-1
 Determine the maximum flux density (in T) of a material having eddy current coefficient of 2, the thickness of 4 mm, the volume of 20 cu.meter, which is supplied by the frequency of 50 Hz when the material has eddy current loss of 6 W

3.34
2.24
1.21
1.94

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