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

λ
γ
μ
Φ

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SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

400 W
1600 W
800 W
1200 W

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