《物理电学》ic Force on a Current-Carrying Conductor.ppt

文档介绍：icfield,acurrent-;:nocurrentflowsinthewire,:forthecurrentIgoingfrombottomtotop,-handrule:fingersofrighthandindirectionofthevelocityofthecurrent(bottomtotop);icfieldB;:forthecurrentIgoingfromtoptobottom,-handrule:fingersofrighthandindirectionofthevelocityofthecurrent(toptobottom);icfieldB;-:q···A·l,:Fmag=(q·vdxB)·n·A·lRememberthatcurrentI=n·q·vd·:Fmag=I·(lxB),-icfield,,icfieldBas:,integratefromoneendofthewire(a)totheotherendofthewire(b).Conclusion:icforceonacurvedcurrent-:icfieldB.