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Site Guide:
glossary |
u-vglos.htm*
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Vacuum Tube: A form of electron tube in which the envelope contains a vacuum, as opposed to a gas-filled electron tube, in which gases are pumped into the envelope after the air is removed.
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Variable Capacitor: A capacitor in which the capacitance can be varied by some mechanical means.
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Voltage: A measure of the force or "push" given the electrons in an electrical circuit; a measure of electrical potential. One volt produces one amp when acting against a resistance of one ohm.
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