SSC JE Electrical 2019 with solution SET-1
Please check out below figure.

5 Ω
2 Ω
10 Ω
1 Ω

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

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SSC JE Electrical 2019 with solution SET-1
 In electric traction, the coefficient of adhesion is represented by

Φ
μ
γ
λ

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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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