IMathAS-libretexts

A student has two identical uncharged metal spheres on insulating stands, sphere A and sphere B. The student also has a metal grounding wire and a negatively charged insulating rod. Which of the following describes a procedure that will result in spheres A and B having equal positive charge? Select two answers.

Touch one side of sphere A with the charged rod and the other side of sphere A with the wire. Then remove the rod and wire. Then touch sphere A and sphere B . Then separate the spheres.
Hold the charged rod near one side of sphere A and touch the other side of sphere A with the wire. Then hold the charged rod to one side of sphere B and touch the other side of sphere B with the wire.
Touch one side of sphere A with the charged rod and the other side of sphere A with the wire. Then touch one side of sphere B with the charged rod and the other side of sphere B with the wire.
Hold the charged rod near one side of sphere A and touch the other side of sphere A with the wire. Then remove the rod and wire. Then touch sphere A and sphere B . Then separate the spheres.

License