Answer to Question #115792 in Field Theory for Odecious Gbearr

Question #115792
A current 5A passes through a straight wire in a uniform magnitude field of a flux density 2.0 T. Calculate the force per unit length exerted on the wire when it is inclined at 30° to the field.
1
Expert's answer
2020-05-15T08:41:17-0400

The Ampere's force


FA=BIlsinθF_A=BIl\sin\theta

The force per unit length

FA/l=BIsinθ=2.0T×5A×sin30=5N.F_A/l=BI\sin\theta=2.0\:\rm T\times 5\: A\times \sin 30^{\circ}=5\: N.

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