CBSE Class 12-science Answered
100MH coil carries a current of 5 ampere what is energy store in it
![question image](http://images.topperlearning.com/topper/new-ate/051504IMG20200821WA0007.jpg)
Asked by sahilposwal28 | 21 Aug, 2020, 14:20: PM
The energy stored in the magnetic field is given as,
![E space equals 1 half L I squared
L space minus space i n d u c tan c e space
I space minus space c u r r e n t space
L space equals 100 space m H space equals space 0.1 space H space
E space equals space 1 half open parentheses 0.1 close parentheses cross times open parentheses 5 close parentheses squared space equals space fraction numerator 2.5 over denominator 2 end fraction space equals 1.25 space J space](https://images.topperlearning.com/topper/tinymce/cache/15798b23999a4660d4d182d5b4a0f1f3.png)
Option (d) 1.25 J
Answered by Shiwani Sawant | 21 Aug, 2020, 18:50: PM
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