In the given circuit all resistors are identical. Their resistance is equal to 20 Ω . Find the equivalent resistance between A and B (in Ω ).

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

In the given circuit all resistors are identical. Their resistance is equal to

20 Ω

. Find the equivalent resistance between

A

and

B

(in

Ω

).

PhysicsCurrent ElectricityJEE Main

Solution:

1109 Upvotes Verified Answer

The correct answer is: 09.00

Equivalent circuit is shown below:-

Therefore, $R_{e q} = \frac{r}{5} + \frac{r}{4} = \frac{9 r}{20} = 9 Ω$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play