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Question 7: NCERT Class 12th Physics: Chapter 1 – Electric Charges And Fields
(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?
Solution:
A field line cannot have sudden breaks because the moving test charge never jumps from one position to the other.
(b)Two field lines never cross each other at any point/because if they do so, we will obtain two tangents pointing in two different directions of electric field at a point, which is not possible.
Check the complete chapter with solutions.
NCERT Solutions for 12th Class Physics: Chapter 1-Electric Charges And Fields