this question has been bothering me as i do not have any solutions or answers! See attached jpg for the question.
It states the air gap has a flux intensity of 0.8 Telsa
so from the graph i can get H to be around 400 At/m for the cast steel arm
the length of the air gap is 1.5mm which is 1.5x10^-3 meters
H* l = N I
(H*L)/N = I
(400*1.5x10^-3)/1000 = 0.6 mA
is this correct? is all the other information useless??
i can easily work out part b. thats not problem
It states the air gap has a flux intensity of 0.8 Telsa
so from the graph i can get H to be around 400 At/m for the cast steel arm
the length of the air gap is 1.5mm which is 1.5x10^-3 meters
H* l = N I
(H*L)/N = I
(400*1.5x10^-3)/1000 = 0.6 mA
is this correct? is all the other information useless??
i can easily work out part b. thats not problem
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