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JEE Main · 2024 · 27 Jan 2024 · Shift 1 · Semiconductors

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Which of the following circuits is reverse - biased ?
  1. (A)(see structure)
  2. (B)(see structure)
  3. (C)(see structure)
  4. (D)(see structure)
    ✓ Correct

Answer: (D)

Solution

A diode is reverse-biased when the battery drives the -side to a lower potential than the -side (opposing the built-in field). Checking the four connections, only the circuit in option (4) has the -end held at lower potential than the -end, so it alone is reverse-biased.

JEE Main · 2024 · 27 Jan 2024 · Shift 1 · Single correct option

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