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

Don't fail to adjust the B battery after putting in a fresh vacuum tube, as its sensitivity depends largely on the voltage.

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

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 A. Frederick (Archie Frederick) Collins

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 John Ambrose Fleming

Since the electrons do not reach the plate the current from the B battery cannot flow between it and the filament.

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

I, induction coil; A, aerial; E, earth plate; HH, choking coils; S, spark gap; J, transmitting jigger; K, receiving jigger; R, relay; C, condenser; F, filings tube; B, battery.

From Hertzian Wave Wireless Telegraphy by John Ambrose Fleming