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Electric Charges And Fields

Question

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A point charge of 2.0 μC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net electric flux through the surface?

Solution

Given,

c h a r g e - q = 2.0 μ C = 2.0 \times 10^{- 6} C

The total flux through the surface of the cube (using Gaussian theorem) is given by

Some More Questions From Electric Charges and Fields Chapter

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?

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