Definition, including the effects of dielectrics on the electric field and potential of a parallel plate capacitor. The dielectric constant K is also defined.

Dielectric constants for various substances, including glass, plastic, water, and ice.

The effects of inserting a dielectric between the plates of a capacitor.

The effects of inserting a dielectric between the plates of a capacitor that is still connected to a power supply.

Definition and demonstration of a Leyden Jar.

Finding the change in electric field, potential difference, capacitance, and electrostatic potential energy of a parallel plate capacitor when the distance between the plates is increased or when a dielectric is inserted.

Demonstration of the Leyden Jar, with explanation of the physics behind the unexpected result.

Definition with examples. Polar and non-polar dielectrics. Gauss's Law for dielectrics in a capacitor. Dielectric constant K is defined.

Definition with equations.

Definition, including the dielectric constant and explanation of the effects on the potential difference and electric field of a parallel plate capacitor. Gauss's law for dielectrics.

Leyden jars and Wimshurst machine; dielectrics; energy stored by E-field in capacitor.

Capacitance in series and in parallel; applications and problems.

Definition; dipole moments and alignment in E-field; susceptibility; dielectrics in circuits; dielectric permittivity; capacitors with dielectrics.

Strategy for capacitance calculation; equivalent capacitance, capacitor with two dielectrics, capacitor on a spring.

Three questions with answers and explanations.

Question about the charge on capacitors in a simple circuit, with answer and explanation.

5-part problem; finding V, stored energy, work to move plates; inserting dielectric.

Solution (PDF)^#

4-part problem; finding charge and electric field for each capacitor in circuit.

Solution (PDF)

4-part problem; finding charge distribution, electric field, and potential for charged cylinder, then again with a dielectric.

Solution (PDF)

Determining energy stored in parallel-plate capacitor with and without dielectric.

Solution (PDF)^#

Stored energy and potential difference after inserting a dielectric.

Solution (PDF)^#