NCERT Exercise 1.7 - Electric Charges and Fields
Question: (a) An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not? (b) Explain why two field lines never cross each other at any point?
Answer: (a) A field line cannot have sudden breaks because the electric field (and the force on a test charge) exists at every point in space and cannot suddenly vanish at any location. The continuity of t...
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