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why does magnetic field decrease towards the end of a solenoid ?

why does magnetic field decrease towards the end of a solenoid ?

Grade:9

1 Answers

nishant narkar
102 Points
4 years ago
The net magnetic field is the sum from each individual loop and is maximum in the middle of the solenoid because that point minimizes the average distance to each loop.   At the end of the solenoid the average distance to all the loops is greater, hence the magnetic field is less.

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