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JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 29 January 2024, Shift 1, Physics Q41

Question 41 of 90 in this shift, Physics question 11 of 30, Section A.

The electric current through a wire varies with time as

I=I_0+\beta t

, where

I_0=20

A and

\beta=3

A/s. The amount of electric charge crossed through a section of the wire in 20 s is :

(1) $1000$ COfficial answer
(2) $1600$ C
(3) $800$ C
(4) $80$ C

Official answer

Option 1

NTA final key.

Chapter: Current Electricity
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.