SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

400 W
1600 W
800 W
1200 W

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To protect the motor from overloading
To improve the starting performance of the motor
To cut-off the starting winding at an appropriate instant
To out in the capacitor during running conditions

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SSC JE Electrical 2019 with solution SET-1
_______is a tube that brings water to turbines

Spillway
Penstock
Trash rack
Forebay

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SSC JE Electrical 2019 with solution SET-1
 The laws involved in the expression e  = −dφ/dt are

Coulomb’s and Faraday’s laws
Faraday’s and Lenz’s laws
Faraday’s and Ampere’s laws
Coulomb’s and Ampere’s laws

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