Energy Stored in a Capacitor

The video tutorial explains the derivation of the energy stored in a capacitor, starting with an uncharged capacitor. It covers the work needed to move charges, evaluates the integral for charging a capacitor, and presents different expressions for the energy stored. The tutorial also discusses assumptions about capacitor plate size and demonstrates discharging a capacitor using a metal paper clip. An example calculation of energy stored in a disposable camera capacitor is provided, including a conversion to electron volts. The session concludes with a humorous reference to a movie scene.

Describe the relationship between charge, capacitance, and electric potential difference.

What is the significance of the energy stored in a capacitor being equal to the work done to move charges?

How does the size of the plates in a parallel plate capacitor affect its capacitance?