1.

In figure , 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 flows from A to B and vice versa

Answer» Correct Answer - B
Diode `D_1` is reverse biased as p side is connected to negative potential and n side to ground.
Diode `D_2` is forward biased as p side is grounded and n side is at negative potential.


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