Which of the following statement(s) is/are correct?
Select ALL correct options:
A
If the electric field due to a point charge varies as $\mathrm{r}^{-2.5}$ instead of $\mathrm{r}^{-2}$, then the Gauss law will still be valid.
B
The Gauss law can be used to calculate the field distribution around an electric dipole
C
If the electric field between two point charges is zero somewhere, then the sign of the two charges is the same.
D
The work done by the external force in moving a unit positive charge from point A at potential $\mathrm{V}_{\mathrm{A}}$ to point B at potential $\mathrm{V}_{\mathrm{B}}$ is $\left(\mathrm{V}_{\mathrm{B}}-\mathrm{V}_{\mathrm{A}}\right)$.
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