Magnetic flux(∅)

A magnetic flux is defined as the total number of magnetic lines of forces passing through a given medium, so the flux lines are the imaginary lines which indicate the directions of magnetic force.

S.I unit of magnetic flux is Weber (Wb)

Properties of magnetic flux lines

  • Each flux lines forms a closed circuit.
  • Each flux line comes out of the N-pole of the magnet and enters the S-pole after completing the external circuit.
  • It completes the loop by passing from S and N poles through the magnet.
  • The flux lines never cross or intersect each other.
  • The flux lines passing in the same directions repel each other and other and those passing in the opposite directions attract each other.
  • The flux lines behave just like the curved elastic bands trying to become straight and as short as possible.

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