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In Fig. EP 14.3, assuming the diodes to ...

In Fig. EP 14.3, assuming the diodes to be ideal.

A

`D_1` is forward biased and `D_2` is reverse biased and hence current flows from A to B.

B

`D_2` is forward biased and `D_1` is reverse biased and hence no current flows from B to A and vice versa.

C

`D_1` and `D_2` are both forward biased and hence current flows from A to B.

D

`D_1` and `D_2` are both reverse biased and hence no current flow from A to B and vice versa.

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