An air core toroid with 500 turns having a cross section area of 6 cm2 and a mean radius of 15 cm is carrying a current of 5 A. What is the magnetic flux density at the mean radius?

An air core toroid with 500 turns having a cross section area of 6 cm2

1.	An air core toroid with 500 turns having a cross section area of 6 cm2 and a mean radius of 15 cm is carrying a current of 5 A. What is the magnetic flux density at the mean radius?
A.	2653 T
B.	1/300 T
C.	2123 T
D.	1/400 T
Answer» C. 2123 T

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An air core toroid with 500 turns having a cross section area of 6 cm2 and a mean radius of 15 cm is carrying a current of 5 A. What is the magnetic flux density at the mean radius?

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