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Friday, 9 October

JEE Main 2025 · PhysicsMultiple choiceOtherEasyRecall

JEE Main 4 April 2025, Shift 2, Physics Q43

Question 43 of 75 in this shift, Physics question 18 of 25, Section A.

Consider a n-type semiconductor in which nen_e and nhn_h are number of electrons and holes, respectively. (A) Holes are minority carriers (B) The dopant is a pentavalent atom (C) nenh≠ni2n_e n_h \neq n_i^2 (where nin_i is number of electrons or holes in semiconductor when it is intrinsic form) (D) nenh≥ni2n_e n_h \geq n_i^2 (E) The holes are not generated due to the donors Choose the correct answer from the options given below :
  1. (1)(A), (B), (E) onlyOfficial answer
  2. (2)(A), (B), (C) only
  3. (3)(A), (C), (E) only
  4. (4)(A), (C), (D) only

Official answer

Option 1

NTA final key.

Chapter
Semiconductor Electronics: Materials, Devices and Simple Circuits
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.