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Semiconductor Electronics

JEE Main 2024 (Online) 27th January Morning ShiftMCQEasy📈 Topic in 19% papers+4−1
Ques. 1JEE Main 2024, 27 January (Morning Shift)

Which of the following circuits is reverse - biased?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]

Answer

(4) [figure]

Solution

Reverse bias: p-side (triangle) at LOWER potential than n-side (bar), Vp<Vn.

(A): p at +2 V, n towards -10 V Vp>Vn (A) is forward biased

(B): p at 0 V (earth), n towards -5 V Vp>Vn (B) is forward biased

(C): p towards +2 V, n at 0 V Vp>Vn (C) is forward biased

(D): p at +2 V, n towards +4 V Vp<Vn (D) is reverse biased

Answer: (4)

Keep practising — Semiconductor Electronics

Ques. 2JEE Main 2024, 27 January (Evening Shift)

The truth table of the given circuit diagram is : [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]

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