Anti-parallel currents refer to two electrical currents flowing in opposite directions. They create magnetic fields that repel each other.
Anti-parallel currents cheat sheet for homework
Magnetic field lines are visual representations of the direction and strength of a magnetic field. They show how a compass needle would align at different points in space.
Ampere's Law states that the magnetic field around a closed loop is directly proportional to the current passing through it.
Lorentz Force: Lorentz Force describes the interaction between a charged particle and an electromagnetic field.