Electromagnetic induction

  • Thread starter sgstudent
  • Start date
  • #1
sgstudent
739
3
What will happen when I push a magnets into a solenoid with constant speed throughout? I understand that when the magnet leaves and enters an induced emf will occur, but in the middle no emf will occur. Why is this so? I thought that the magnetic flux linkage changes as it moves in the solenoid?
 

Answers and Replies

  • #2
Hassan2
426
5
As the magnet moves through the solenoid with both the pole inside, for each loop of the coil with increasing flux linkage, there is a loop with a decreasing flux equally, hence their emfs cancel each other out ( the solenoid is a combination of the loops in series).
 

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