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Electric Charges and Fields
Question
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Define magnetic flux. Give its SI unit.

Answer

The total number of magnetic lines of force crossing any surface in the magnetic field is termed as magnetic flux. 

                   ∴ Φ = BA cos θ 

SI unit of magnetic flux is weber.

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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?