Crossword-Solution: REACTANCE 9 letters, 3 clues 🏆 scrabble score: 13

The pulsating direct currents are then passed through a filtering reactance coil, called a _reactor_, and one or more condensers, and these smooth them out until they approximate a continuous direct current.

The only difference between this transmitter and the preceding one is that: (1) two 5 watt tubes are used, the first serving as an _oscillator_ and the second as a _modulator_; (2) an _oscillation choke coil_ is used in the plate circuit; (3) a _reactance coil_ or _reactor_, is used in the plate circuit; and (4) a _reactor_ is used in the grid circuit.

The Plate and Grid Circuit Reactance Coils.--Where a single tube is used as an oscillator and a second tube is employed as a modulator, a _reactor_, which is a coil of wire wound on an iron core, is used in the plate circuit to keep the high voltage direct current of the motor-generator the same at all times.

The Filter Condensers.--These condensers are used in connection with the reactance coil to smooth out the pulsating direct current after it has passed through the rectifier tube.

But when the positive half of an alternating current is made to flow through a large inductance it acts like a large resistance as before and likewise smooths out the current, but none of its energy is wasted in heat and so a coil having a large inductance, which is called an _inductive reactance_, or just _reactor_ for short, is used to smooth out, or filter, the alternating current after it has been changed into a pulsating direct current by the rectifier tubes.