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
 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D3, D4
D2, D3
D4, D1
D1, D2

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