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Electric Charges and Fields
Question
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How does a torque affect the dipole in an electric field?

Answer

The torque tends to align the dipole in the direction of the electric field.

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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?