The arrangement as shown, temperatures of end P and R are `200^(@) C` and `0^(@) C`.
Channel: Doubtnut
Date: 2020-04-12

The arrangement as shown, temperatures of end P and R are `200^(@) C` and `0^(@) C`. The length of rods are shown. The length of rod RS is IL, if no heat flows through QS where I is an integer. Find the value of I.   img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/BSL_XI_RT_P14_E01_640_Q01.png" width="80%"