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Ampere's law

  • Thread starter snipaj9696
  • Start date
13
0
Use ampere's law to determine the magnetic field (a) inside and (b) outside a toroid, which is like a solenoid bent into the shape of a circle.

Here is my work..

IS MY WORK CORRECT???

a.) B(2PIr)=MoIenc

and I found that B=MoNI/2pir


b.) the magnetic field is 0 outside the loop
 

Answers and Replies

Hootenanny
Staff Emeritus
Science Advisor
Gold Member
9,598
6
Yes, you are correct.

For future reference we have Homework forums, for such questions where your query may receive more attention.
 

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