JEE Main 2021 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 24 February 2021, Shift 2, Physics Q18

Question 18 of 90 in this shift, Physics question 18 of 30, Section A.

Zener breakdown occurs in a

p - n

junction having

p

and

n

both :

(1)lightly doped and have narrow depletion layer.
(2)lightly doped and have wide depletion layer.
(3)heavily doped and have narrow depletion layer.Official answer
(4)heavily doped and have wide depletion layer.

Official answer

Option 3

NTA final key.

Chapter: Semiconductor Electronics: Materials, Devices and Simple Circuits
Topic: Semiconductor Diodes
Idea tested: Avalanche vs. Zener Breakdown Mechanisms

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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 108 of the 174 JEE Main shifts held from 2017 to 2026.