JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 6 April 2024, Shift 2, Physics Q44

Question 44 of 90 in this shift, Physics question 14 of 30, Section A.

In a coil, the current changes from

-2

A to

+2

A in 0.2 s and induces an emf of 0.1 V. The self inductance of the coil is :

(1)1 mH
(2)2.5 mH
(3)4 mH
(4)5 mHOfficial answer

Official answer

Option 4

NTA final key.

Chapter: Electromagnetic Induction
Topic: Inductance
Idea tested: Self-Inductance and Back EMF

Same topic in other shifts

All Inductance questions

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