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Q. Figure shows the electric field lines around three point charges $A$, $B$ and $C$, which region or regions of the figure could the electric field be zero?Physics Question Image

Electric Charges and Fields

Solution:

From the figure, it is clear that, there cannot be a neutral point between a positive and a negative charge. Neutral point can be only there between two like charges i.e., $A$ and $C$. As magnitude of charge $A$ is smaller than the magnitude of charge $C$, therefore, neutral point would lie closer to the charge $A$.