Two neutral metal spheres on wood stands are touching. a negatively charged rod is held directly above the top of the left sphere, not quite touching it. while the rod is there, the right sphere is moved so that the spheres no longer touch. then the rod is withdrawn. which answer is correct?
a) both the spheres are neutral.
b) left sphere is negatively charged, another is charged positively.
c) right sphere is negatively charged, another is charged positively.
d) both the spheres are charged positively.
e) both the spheres are charged negatively
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