The most convenient form of energy is energy.

_____ is a device used to detect the presence and nature of the charge on a body.

_____ is used to protect buildings from lightning.

When charges are moving from one end to the other end of a conductor, we say there is ______ current in the conductor.

Atom is considered neutral because it contains an equal number of _____ charges.

_____ is a major component of an electric bell.

Nichrome is the material used to make _____ elements.

Materials that do not allow electric charges to flow through them are called _____.