SSC JE Electrical 2018 with solution SET-1
 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

450 W
300 W
350 W
800 W

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SSC JE Electrical 2018 with solution SET-1
 Tellegen’s theorem is based on the principle of law of_______

Conservation of Energy
Conservation of charge
Conservation of Mass
Conservation of Velocity

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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

1.6
1.4
0.8
0.4

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SSC JE Electrical 2018 with solution SET-1
 In a Hysteresis Motor, the rotor must have

None of these
Susceptibility
Resistivity
Retentivity

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