electric field is not 0 and potential is 0 example please.

Dear Student,
As we know that electric field has a relation of the directional gradient of electric potential.

so if V is constant, E should be zero. So, for E to be zero, either V has to be zero, or constant. But if V is zero, then surely E has to be zero; the reverse case is not true always.
For example, if you consider the condition can be thought of two identical charges separated by a certain distance(i.e. dipole). In the middle of the two-point charges, the electric field is zero but the potential difference is not zero and has a finite value depending upon the charge and separation of two charges.


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The case of dipole, which is two charges of the same magnitude but opposite sign, separated by same distance

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What are you looking for?