JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 27 January 2024, Shift 1, Physics Q41

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

A wire of resistance R and length L is cut into 5 equal parts. If these parts are joined parallely, then resultant resistance will be :

(1) $\frac{1}{5}$ R
(2) $\frac{1}{25}$ ROfficial answer
(3)5 R
(4)25 R

Official answer

Option 2

NTA final key.

Chapter: Current Electricity
Topic: Ohm's Law and Resistance
Idea tested: Resistance of Cut and Recombined Uniform Wires

Same idea in other shifts

Asked 4× in all

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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.