Fundamentholfundamenthol
NEET2026Physics
Q.

In the circuit shown below, the voltage appearing across the diode D will be of the form :

  1. A
  2. B
  3. C
  4. D
Solution

During the positive half of , the diode is forward biased and behaves like a closed switch, so the voltage across it is approximately zero.

During the negative half, the diode is reverse biased and behaves like an open circuit, so the entire input voltage appears across the diode. Hence shows only the negative half-cycles of the input, matching option (4).

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