Demonstrated the existence of animal electricity.

Discovered the first natural magnet, lodestone.

The first person to recognize the connection between electricity and magnetism was….

The force of attraction between two charged spheres can be calculated from:

The magnitude of the resistance of a wire depends on:

Demonstrated that a lightning stroke was an electric discharge.

The chief characteristic of a superconducting wire is:

A “short” in an electric circuit means:

Developed a law relating power, voltage, and current.

An instrument for determining the magnitude of a charge is the: