Why is it impossible for the lines of force of an electric field to cross one another?
The correct answer is D. a positively charged particle can travel in only one direction at any time
The reason the lines of force of an electric field can't cross one another is that each line represents the direction of the electric field at that point.
If two lines were to cross, it would imply that the electric field has two different directions at the same point, which is physically impossible.
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