variocoupler

American  

[vair-ee-oh-kuhp-ler] / ˌvɛər i oʊˈkʌp lər /

noun

Electricity.

1. a transformer having coils with a self-impedance that is essentially constant but a mutual impedance that can be varied by moving one coil with respect to the other.

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Etymology

Origin of variocoupler

First recorded in 1920–25; vari(able) + -o- + coupler

Example Sentences

The rotor of a variometer or variocoupler is a rotating coil.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

Screw the variocoupler to the middle of the base board or panel, and secure the variometers on either side of it so that the distance between them will be 9 or 10 inches.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

Likewise connect the other loading coil in one side of the closed, or secondary circuit between the variable .0007 mfd. condenser and the secondary coil of the loose coupler or variocoupler as shown in Fig.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

Connect the other end of the rotor of the variocoupler to one of the posts of the first variometer and the other post of this to one of the terminals of the detector filament.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

A better scheme is to use a loose coupler formed of two or three honeycomb or other compact coils, while a variocoupler or a variometer or two will produce the maximum regenerative action.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)