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?

30
20
10
40

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SSC JE Electrical 2018 with solution SET-1
Direct resistance Heating is used in

Salt-Bath furnace
Resistance Welding
Electrode Boiler
All of these

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SSC JE Electrical 2018 with solution SET-1
 Determine the energy (in J) stored by a 0.4 H inductance, If the current flowing through it is 2A

0.4
0.8
1.4
1.6

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SSC JE Electrical 2018 with solution SET-1
 On which of the following parameters the eddy current loss occurring in a material does not depend?

The volume of the material
The frequency of variation of flux
Magnetic flux Density
Susceptibility

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