- #1
c.jinkuan
- 4
- 0
Fm = (500)(10/27)
= 185.185 At
Total flux = βA
= (0.35)(0.003)
= 0.00105 wb
Rm = Fm / total flux
= 185.185 / 0.00105
= 176366.6667 At/wb
R(air) = (0.1 x10^-3) / (700)(4π x 10^-7)(0.003)
= 37.894034 At/wb
Rm = length / μA
length = Rm x μ x A
= (176366.6667 + 37.894034) (700) (4π x 10^-7) (0.003)
= 0.4654206 m
∴ 0.4654206 - (0.1 x10^-3)
= 0.465320 m
My answer is not the same as the answer given in the answer key.
Where did I do wrong?