a charged rod is held close to a metal can. The can is on an insulated stand.
a Copy the diagram. Draw in any induced charges on the can. b Why is the can attracted to the rod even though the net (overall) charge on
the can is zero?
c If you touch the can with your finger, electrons flow through it. In which
direction is the flow?
d What type of charge is left on the can after it has been touched?