SSC JE Electrical 2019 with solution SET-1
 Which of the following losses is together called iron losses?

Eddy current loss and frictional loss
Hysteresis loss and copper loss
Hysteresis loss and frictional loss
Eddy current loss and hysteresis loss

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SSC JE Electrical 2019 with solution SET-1
 Which of the following lamps has the shortest/less life span in working hours?

Fluorescent lamp
Incandescent lamp
Mercury vapor lamp
Sodium vapor lamp

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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:

0.4 mWb
0.04 mWb
0.004 mWb
4 mWb

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SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Hydro-electric power plant
Nuclear power plant
Gas power plant
Thermal power plant

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