PHYC10004 Equations on Formulae sheet (1)

Electromagnetism

Coulomb’s Law describes the electrostatic force between two charged objects. It states that the force is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

Electric field for Point Charge

Electric Field

Electric Flux is the measure of the electric field passing through a given area. It is calculated as the product of the electric field and the area perpendicular to the field direction.

Gauss’ Law relates the electric flux through a closed surface to the charge enclosed within that surface, stating that the total electric flux is proportional to the enclosed charge.

Negative of the change in potential energy

Electric Potential

Electric field strength (or electric field intensity) at a specific point in space. F=E*q=m*a

Electric Potential of a Point Charge

Dipole Moment

Torque on a Dipole

Dipole Potential Energy

Capacitance, for parallel plate capacitors

Capacitance

Electric Potential

Power

Ohm’s Law

Potential Difference

Relative Permittivity (Dielectric)

Electric energy density

Electric Current

Gauss’ Law for magnetism

Affect of Magnetic Field (right-hand rule)

Biot-Savart Law