Most modern coils use only a single secondary coil.

Her black hair lay in a single coil on her white breast.

In a sense, the P90 is a super-beefed up single coil.

A single primary coil can provide power to multiple secondary coils at the same time.

Motility increases, and embryos move in a strong, single coil.

Also the pickup configuration is different and four single coils are present instead of three.

Only a single coil of it remained when Phil suddenly darted forward.

The tone was quite thunderous even though the pickups are single coil.

What is the magnetic power of a single coil wrapped around a nail?

The two windings are joined to become a single coil.