A ring having a cross-sectional area of 500 mm², a circumference of 4 – McqOptions

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1.	A ring having a cross-sectional area of 500 mm², a circumference of 400 mm and ϕ=800microWb has a coil of 200 turns wound around it. Calculate the flux density of the ring.
A.	1.6T
B.	2.6T
C.	3.6T
D.	4.6T
Answer» B. 2.6T

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