SSC JE Electrical 2019 with solution SET-1
In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

0.5
0.8
1
0.9

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SSC JE Electrical 2019 with solution SET-1
 The law that explains about the economic size of a conductor is:

Kelvin’s law
Faraday’s law
Newton’s law
Lamberts law

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SSC JE Electrical 2019 with solution SET-1
 Identify the INCORRECT statement with regards to synchronous motors

It is a constant speed motor
It is a self-starting machine
The armature winding is placed on the stator
The field winding is placed on the rotor

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SSC JE Electrical 2019 with solution SET-1
 Which of the following voltage range is used in medium transmission lines?

20 kV to 100 kV
50 kV to 200 kV
More than 200 kV
Less than 20 kV

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