• 2022-05-26
    长 [tex=4.143x1.0]W1rSyremLkOInnZ1Tkp4kl5HoVCLAJCn+Za3ykk/VeY=[/tex] 的直导蛲线 上均匀地分布着线密度[tex=7.429x1.5]mGOdEt4rfzX2iG4YqbX0QSmr+M/+1BZJMmA8aS2niZKqJxQQhLhh5680t9KDx517fvHS1ydHev02LpzYAvrbDg==[/tex]的正电荷。试求:(1)在导线的延长线上与导线 [tex=0.786x1.0]sHo1pKm+gjxjcUAJjHrarQ==[/tex]端相距 [tex=4.214x1.214]S/bNVXmvEF+uQOKXi74NomvLEW5vYSMiuck9CWmigvk=[/tex]处 [tex=0.786x1.286]dSWbQCTjdbLxKy7q0ps2gg==[/tex] 点的场强;(2)在导线的垂直平分线上与导线中点相距 [tex=4.786x1.286]x5mawgfDbPOlQQTCTcAGwpW5aO79bsEWMVY23h2mK1g=[/tex] 处 [tex=0.857x1.214]to/MrMoO1ux8UhZHnpEvBg==[/tex] 点的场强。[img=530x242]17e4bd65a02a72b.png[/img]
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