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JEE Main 202528 JanuaryMorning Shift

Exam: JEE Main
Year: 2025
Date: 28 January
Shift: Morning Shift
Subject: Physics
Chapter: Current Electricity

JEE Main 2025 · 28 January · Morning Shift · Physics · Current Electricity

Find the equivalent resistance between two ends of the following...

Find the equivalent resistance between two ends of the following circuit

Find the equivalent resistance between two ends of the following circuit

Options

A $\frac{r}{9}$
B $\frac{\mathrm{r}}{3}$
Cr
D $\frac{\mathrm{r}}{6}$

Correct answer

A. $\frac{r}{9}$

Step-by-step solution

Find the equivalent resistance between two ends of the following circuit

All are in parallel

\mathrm{R}_{\mathrm{eq}}=\frac{\mathrm{r} / 3}{3}=\mathrm{r} / 9

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