Question

Use Kirchhoff's rules to determine the potential difference between the points and when no current flows in the arm of the electric network shown in the figure

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Updated on : 2022-09-05
Solution
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There is no current in branch, so the potential difference across resistance will be zero.

 
To find Potential difference between Points A and D, we can see a path ABED, such that, the branches AB and ED have batteries only and there is no current in branch EB.
Therefore, we can directly find the required potential difference without finding the current in all the branches.

So, In path  
                  

                 

There is no need to apply KVL to find current in all the branches.

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