SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1
The speed of the ceiling fan is about

Upto 200 RPM

Upto 10000 RPM

Upto 10 RPM

Upto 450 RPM

Upto 200 RPM

Upto 10000 RPM

Upto 10 RPM

Upto 450 RPM

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SSC JE Electrical 2018 with solution SET-1
What will be the value of current (in A) in a 50 cm long air-core solenoid, if the value of the magnetic field at the center of the solenoid is 5 mT and the solenoid has 300 turns?

5.63

6.63

8.25

4.36

5.63

6.63

8.25

4.36

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SSC JE Electrical 2018 with solution SET-1
In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

Half

Four Times

No Change

Twice

Half

Four Times

No Change

Twice

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SSC JE Electrical 2018 with solution SET-1
In the large machine, the flat copper strips known as

Windings

Risers

Either of these

Bushes

Windings

Risers

Either of these

Bushes

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SSC JE Electrical 2018 with solution SET-1
Cutting pliers use for electrical work must have

Insulation

Sharp

High strength

Non corrode

Insulation

Sharp

High strength

Non corrode

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SSC JE Electrical 2018 with solution SET-1
Calculate the power factor of an AC circuit having the impedance of 16 Ohms, if a 4 A current flows through it and its average power consumption is 200 W.

0.78

0.68

0.98

0.88

0.78

0.68

0.98

0.88

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