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```        can the force on unit n pole betwn two isolated like poles of same strength be zero at any point??
I know the answer is the mid point betwen them, i am looking for the explanation to the answere...```
8 years ago

23 Points
```										Dear Madhu,

Let the two isolated poles of equal pole strengths are separated by distance L say.
Now consider a point x assuming first pole is at origin.
Then the net force experienced by a unit north pole placed at this point is given by the difference of the forces due to the two poles.

Fnet= F1 - F2
= K{ (1/x)^2 - (1/L-x)^2 }

Where K is a constant given by similar terms in both F1 and F2 i.e,
{(munot/ 4* pi)*1* pole strength of the isolated pole}.
If we equate it to Zero
Then we would get x = L/2.
Please feel free to post as many doubts on our discussion forum as you can. If you find any question
Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We

All the best STUDENT NAME !!!

Regards,

```
8 years ago
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