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Why Do the Electrostatic Field Lines Not Form Closed Loops? - Physics

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प्रश्न

Why do the electrostatic field lines not form closed loops?

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उत्तर

Electrostatic field lines do not form closed loops because individual electric charges can exist.

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2013-2014 (March) All India Set 2

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संबंधित प्रश्न

  1. An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?
  2. Explain why two field lines never cross each other at any point?

A point charge (+Q) is kept in the vicinity of an uncharged conducting plate. Sketch the electric field lines between the charge and the plate?


Two bar magnets are quickly moved towards a metallic loop connected across a capacitor ‘C’ as shown in the figure. Predict the polarity of the capacitor.


Answer the following question.
Draw the pattern of electric field lines when a point charge +q is kept near an uncharged conducting plate.


Answer the following question.
Derive an expression for the electric field due to a dipole of dipole moment `vec"p"` at a point on its perpendicular bisector.


A point positive charge is brought near an isolated conducting sphere (figure). The electric field is best given by ______.


Figure shows electric field lines in which an electric dipole P is placed as shown. Which of the following statements is correct?


Which of the following figures represent the electric field lines due to a single negative charge?


Figure shows the electric field lines around three point charges A, B and C.

  1. Which charges are positive?
  2. Which charge has the largest magnitude? Why?
  3. In which region or regions of the picture could the electric field be zero? Justify your answer.

(i) near A, (ii) near B, (iii) near C, (iv) nowhere.


The magnitude of the electric field due to a point charge object at a distance of 4.0 m is 9 N/C. From the same charged object the electric field of magnitude, 16 N/C will be at a distance of ______.


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