A user writes:
(a) Sketch the electric field pattern around two positive point charges of
magnitude 1 micro Couloumb, placed close together. (b) Sketch the
electric field pattern around two negative point charges of magnitude -2
micro Couloumbs, placed close together. (c) Sketch the pattern around a 1
micro Couloumb positive point charge and a -2 micro Couloumb charge placed
close together.