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प्रश्न
Explain why two field lines never cross each other at any point?
उत्तर
If two field lines cross each other at a point, then electric field intensity will show two directions at that point. This is not possible. Hence, two field lines never cross each other.
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संबंधित प्रश्न
- An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?
- Explain why two field lines never cross each other at any point?
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(b) Draw a graph of E versus r for r >> a.
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In figure, two positive charges q2 and q3 fixed along the y axis, exert a net electric force in the + x direction on a charge q1 fixed along the x-axis. If a positive charge Q is added at (x, 0), the force on q1
 (a) |
 (b) |
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(i) near A, (ii) near B, (iii) near C, (iv) nowhere.
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