A cast steel electromagnet has an air gap length of 0.3 cm. Find the ampere-turns for the air gap to produce a flux density of 0.7 Wb/m2 in the air gap.

A cast steel electromagnet has an air gap length of 0.3 cm. Find the a

1.	A cast steel electromagnet has an air gap length of 0.3 cm. Find the ampere-turns for the air gap to produce a flux density of 0.7 Wb/m2 in the air gap.
A.	2100 AT
B.	1671 AT
C.	1447 AT
D.	167 AT
Answer» C. 1447 AT

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A cast steel electromagnet has an air gap length of 0.3 cm. Find the ampere-turns for the air gap to produce a flux density of 0.7 Wb/m2 in the air gap.

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