**Question 9: Can different equipotential lines cross each other?**
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ANSWER

It is not possible for two equipotential surfaces (or lines) to cross each other. This is because each equipotential surface (line) has a constant value of

and V. Now if two equipotential surfaces or lines intersect each other at some point it means there are two values of electric intensity

and electric potential V at that particular point. However, it is not possible for a point to have two values of

and V at the same time. Therefore, it is not possible for two different equipotential surfaces to cross each other.

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