Coulomb’s law
Electric field
Electric potential energy
Electric potential (from electric potential energy)
Electric potential (from source charge)
Voltage
Electric potential near a dipole
Dipole moment
p = qd
Electric field on the perpendicular bisector of a dipole
Torque on a dipole in an electric field
τ = pE sin θ
Magnetic field from a straight wire
Magnetic field from a loop of wire
Magnetic force on a moving point charge
FB = qvB sinθ
Magnetic force on a current-carrying wire
FB = ILB sinθ