Coil guns are electromagnetic projectile launchers.

The impedance coils are used to regulate the flow of electrical current.

The burdens of life weigh heavily on our mortal coils.

The tickler coils are used to stimulate the nerves.

The speakers in the headphones are equipped with voice coils.

The ignition coil is responsible for generating the spark needed to ignite the fuel in the engine.

The induction coils are used to generate heat in the metal.

The head coil is an essential component of an MRI machine.

The resistance coil in the circuit helps regulate the flow of electricity.

The resistance coils in the circuit are responsible for regulating the flow of current.