SSC JE Electrical 2019 with solution SET-1
 The output of the logic circuit given below represents the gate.

NOR
NAND
AND
OR

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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

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

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