A toroid of mean radius 20 cm and circular cross section of radius 2.3 cm is wound with a superconducting wire of length 1000 m that carries a current of 400 A.

I'm not getting the right answer for the number of turns in the coil

Question

A toroid of mean radius 20 cm and circular cross section of radius 2.3 cm is wound with a superconducting wire of length 1000 m that carries a current of 400 A.

I'm not getting the right answer for the number of turns in the coil

anonymous · Answer

Can you show your work here? then ll correct you!

anonymous · Answer

whoops, I guess I typed in the wrong value but I did the work right. It turns out that its 6919.78 turns.
Thanks for giving me your time though

anonymous · Answer

No problem :)