SSC JE Electrical 2019 with solution SET-1
 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

Transmission line efficiency
Insulator efficiency
String efficiency
Disc efficiency

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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
4 mWb
0.4 mWb
0.04 mWb

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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
10Ω
30Ω
40Ω

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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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