Charges are placed on the vertices of a square as shown Let $\vec E$ be the electric field and $V$ the potential at the centre. If the charges on $A$ and $B$ are interchanged with those on $D$ and $C$ respectively, then
Charges are placed on the vertices of a square as shown Let $\vec E$ be the electric field and $V$ the potential at the centre. If the charges on $A$ and $B$ are interchanged with those on $D$ and $C$ respectively, then
- [AIEEE 2007]
- A
$\;\vec E$ changes, $V$ remains unchanged
- B
$\;\vec E$ remains unchanged, $V $ changes
- C
Both $\;\vec E$ and $V $ change
- D
$\;\vec E$ and $V $ remains unchanged
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