B battery

American  

noun

Electronics.

1. an electric battery for supplying a constant, positive voltage to the plate of a vacuum tube.

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Etymology

Origin of B battery

First recorded in 1920–25

Example Sentences

See Examples For:

B battery

I, induction coil; M, multiplier; B, battery; A, aerial; F, filings tube; R, relay; E, earth plate; C, condenser.

From Hertzian Wave Wireless Telegraphy by Fleming, John Ambrose

If now you heat the filament and hold the phone to your ear you can hear the current from the B battery flowing through the circuit.

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

This battery will give a greater life than either the "H", "C" or "B" battery with the same plate area.

From The Automobile Storage Battery Its Care And Repair by Witte, Otto A.

B, battery; I, induction coil; K, key; S, spark-gap; L, inductance coil; C, condenser; A, aerial.

From Hertzian Wave Wireless Telegraphy by Fleming, John Ambrose

In using either of these heterodyne receivers be sure to carefully adjust the B battery by means of the potentiometer.

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