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JEE Main 2021 · PhysicsNumerical answerNumerical valueMediumMulti-step

JEE Main 25 July 2021, Shift 2, Physics Q24

Question 24 of 90 in this shift, Physics question 24 of 30, Section B.

A 16

\Omega

wire is bend to form a square loop. A 9 V supply having internal resistance of 1

\Omega

is connected across one of its sides. The potential drop across the diagonals of the square loop is __________

\times10^{-1}

V.

Official answer

45

NTA final key.

Chapter: Current Electricity
Topic: Ohm's Law and Resistance
Idea tested: Resistance of Bent Wires and Loops

Same idea in other shifts

Asked 2× in all

31 Aug 2021, Shift 1 · Q28A square shaped wire with resistance of each side 3 $\Omega$ is bent to form a complete circle. The resistance between two diametrically…EasyNumerical value

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.