Identify the correct circuit diagrams for the normal operation from the following.

Identify the correct circuit diagrams for the normal operation from the following.
  1. (A), (B)
  2. (B), (C)
  3. $(\mathrm{A}),(\mathrm{C})$
  4. (B), (D)

Solution

Option (B) is photodiode and option (D) is LED with reverse and forward biasing respectively. Therefore both will operate properly.

Asked in: MHT CET 2023 (11 May Shift 1)

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