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Electric Charges and Fields
Question
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Two point charges of + 3 μC each are 100 cm apart. At what point on the line joining the charges will the electric intensity be zero?

Answer

The electric intensity will be zero at a point mid-way between the two charges.

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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? 

Figure shows tracks of three charged particles in a uniform electrostatic field. Give the signs of the three charges. Which particle has the highest charge to mass ratio?