Question

Which system is called a capacitor?

Options

• Two conductors having opposite charges that are in direct contact

• A single conductor that stores charge without an insulator

• Two conductors having equal charges separated by a dielectric

• A system consisting of two conductors having equal and opposite charges separated by an insulator or dielectric

Answer 1

A capacitor consists of two conductors with equal and opposite charges. An insulator or dielectric separates the conductors.