SSC JE Electrical 2019 with solution SET-1
 Hysteresis loss is NOT a function of

Steinmetz co-efficient of material
Frequency
The volume of a material
Ambient temperature

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SSC JE Electrical 2019 with solution SET-1
_____ is NOT a component in a thermal power plant

Chimney
Reactor
Economizer
Boiler

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SSC JE Electrical 2019 with solution SET-1
 Two decimal coils A and B of 1000 turns each lies in the parallel plane such that 80% of the flux produced by one coil links with the other. If a current of 5A flowing in A produces a flux of 0.05 mWb, then the flux linking with coil B is:

0.004 mWb
0.4 mWb
4 mWb
0.04 mWb

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SSC JE Electrical 2019 with solution SET-1
 A shaded pole motor is basically a motor

Shunt
Single-phase induction
Series
Synchronous

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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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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (ωT)/60
Pmech = (2πωT)/60
Pmech = ωT
Pmech = (2πωT)

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