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Electric Charges and Fields
Question
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Write the SI unit of (i) electric field intensity and (ii) electric dipole moment. 

Answer

(i) SI unit of electric field intensity is NC–1 (Newton per Coulomb).
(ii) SI unit of electric dipole moment is C-m (Coulomb-metre).

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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?