JEE Main 2024 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 27 January 2024, Shift 1, Physics Q58

Question 58 of 90 in this shift, Physics question 28 of 30, Section B.

Two coils have mutual inductance 0.002 H. The current changes in the first coil according to the relation

i = i_0\sin\omega t

, where

i_0

= 5 A and

\omega

50\pi

rad/s. The maximum value of emf in the second coil is

\frac{\pi}{\alpha}

V. The value of

\alpha

is ________.

Official answer

NTA final key.

Chapter: Electromagnetic Induction
Topic: Inductance
Idea tested: Mutual Inductance Definition

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