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

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

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SSC JE Electrical 2018 with solution SET-1
 A hysteresis Motor

Can not be run in reverse speed
Is not a self-starting motor
Need DC excitation
Is a constant speed motor

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SSC JE Electrical 2018 with solution SET-1
 A three-phase synchronous motor will have

Three slip-rings
One slip-ring
No slip-rings
Two slip-rings

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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

1.4
0.4
1.6
0.8

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