[问答题]
Draw a conductor in the shape nfw .s03/mfi +s2 mzhztpn:6kee u2(u of a footbaieq zxk:qlp ;bs9*4dfux (+.)j8pqm5z n5 f hell. This conductor carries a net negative char bp5* xn(p: q9 +ij klxe fz4).8;5quqmesdhzfge, $-Q$. Draw in a dozen electric field lines and two equipotential lines.
