CBSE Class 12-science Answered
Find the potential at point J.
![question image](https://images.topperlearning.com/topper/new-ate/topr_2081223511333337IMG20220510115911.jpeg)
Asked by nudratnigar | 10 May, 2022, 12:02: PM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/ce3530102bb935e69a7c876e0cfb3ed8627a26ff789cb5.83131333f1.png)
Let V be the electric potential at Junction J .
Let us consider the currents coming to juntion and currents leaving the juction as shown in figure.
By Kirchoff's law , I1 = I2 + I3
![begin mathsize 14px style fraction numerator 100 space minus space v over denominator 10 end fraction space equals space fraction numerator V minus 40 over denominator 20 end fraction plus fraction numerator V minus 15 over denominator 15 end fraction end style](https://images.topperlearning.com/topper/tinymce/cache/4b7bcf62ae36d1607953389a8d3e3fdd.png)
By solving above expression, we get V = 60 V
Answered by Thiyagarajan K | 10 May, 2022, 14:26: PM
Concept Videos
CBSE 12-science - Physics
Asked by mailtoanjalip2005 | 16 Mar, 2024, 20:22: PM
CBSE 12-science - Physics
Asked by nikhilsai2616 | 19 Nov, 2023, 01:05: AM
CBSE 12-science - Physics
Asked by snehashiragannavar773 | 21 Oct, 2023, 14:38: PM
CBSE 12-science - Physics
Asked by komalbrar0987 | 17 May, 2023, 18:15: PM
CBSE 12-science - Physics
Asked by nudratnigar | 10 May, 2022, 12:02: PM
CBSE 12-science - Physics
Asked by divyabharti14042004 | 18 Jan, 2022, 14:52: PM
CBSE 12-science - Physics
Asked by carthi66 | 11 Nov, 2021, 14:49: PM
CBSE 12-science - Physics
Asked by umeshts142 | 13 Oct, 2021, 08:14: AM
CBSE 12-science - Physics
Asked by najeeb.razvi | 09 Aug, 2021, 18:45: PM