Capacitance

Question 1

What is a capacitor?

Answer 1

Any two conductors separated from each other by an insulating material (or a vacuum).

Question 2

Capacitance

Answer 2

The magnitude of the charge stored on one plate per unit of potential difference between the plates.

Question 3

Time constant

Answer 3

The time taken for the charge stored on a capacitor plate to drop to e^-1 times its initial value.