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The equivalent circuits of a diode, during forward biased and reverse biased conditions, are shown in the figure.
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- (A)
- (B)
- (C)
- (D)
Correct Option: A
The given circuit (i.e., fig -1)
The given circuit can be redrawn as shown below for first half cycle (i.e., fig -2)
And equivalent circuit for second half cycle is shown below: (i.e., fig -3)
| From below figure, V0 = | × 10 sin t = 5 sin t | 10 + 10 |
Since maximum voltage across at point A may be 5V, hence voltage across the diode always will be less than or equal to zero. So it will be reverse biased always.
Therefore waveform given in alternative (A) is the correct choice.
