Example A long,straight wire carrying a current I pass through a region of constant magnetic field, the wire oriented at an angle 0 to the field Its length 1,find the force on the wire. F=Ja×B F=IBsin 0 dl -1Bsin 0 F=ILBsin 0 Example A long, straight wire carrying a current I pass through a region of constant magnetic field, the wire oriented at an angle  to the field . Its length l, find the force on the wire. I  B    L F Idl B      L F IBsin  dl   L IBsin  dl F  ILBsin