A nail with a mass of is charged with How many excess electrons are in the nail?
The elementary charge is
How many excess electrons are there on a tiny, spherical water drop of charge of
The elementary charge is
If a current of flows for in a conducting wire, approximately how many conduction electrons pass through the wire?
The elementary charge is
Suppose there is a small (copper) coin with a mass of If we want to leave it with a charge of approximately how many electrons must be removed from that metal coin?
The elementary charge is
If an average current of flows from a conducting sphere for and then stops, what can we know about the sphere?
The elementary charge is