SSC JE Electrical 2019 with solution SET-1
 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

20Ω
40Ω
30Ω
10Ω

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SSC JE Electrical 2019 with solution SET-1
 If admittance Y= a + jb, then a =?

Resistance
Susceptance
Reactance
Conductance

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SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Lagging
Leading
Unity
Zero

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

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

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SSC JE Electrical 2019 with solution SET-1
 For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

1, 4 and 8
1, 5 and 10
1, 7 and 14
1, 6 and 12

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