SSC JE Electrical 2019 with solution SET-1
 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

2
1
0.5
4

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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

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

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