A Battery (Noun)
Meaning
The battery used to heat the filaments of a vacuum tube.
Classification
Nouns denoting man-made objects.
Examples
- The vacuum tube required a battery to heat the filaments before it could amplify the signal.
- In the early days of radio, a battery was used to power the filaments of the vacuum tubes in the receiver.
- The old amplifier used a battery to heat the filaments of the vacuum tubes, which was a common practice at the time.
- To power the filaments of the vacuum tubes, the device required a battery that was specifically designed for this purpose.
- The technician carefully connected the a battery to the vacuum tube to ensure that the filaments were heated properly.