JEE Main 2021PhysicsCurrent ElectricityKirchhoffs Circuit LawsmediumNumerical

JEE Main 2021Current Electricity Question with Solution

From: JEE Main 2021 (Online) 25th July Evening Shift

Question

A 16 wire is bend to form a square loop. A 9V supply having internal resistance of 1 is connected across one of its sides. The potential drop across the diagonals of the square loop is _______________ 101 V

Enter your answer

Show full solutionCorrect answer: 45
Correct answer
45

Step-by-step explanation

Here assume current as

JEE Main 2021 (Online) 25th July Evening Shift Physics - Current Electricity Question 190 English Explanation

By KVL in outer loop

9 12i 4i = 0

16i = 9

8i = = 4.5

= 45 10-1

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Current Electricity chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2021, covering the Current Electricity chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.