By removing the air from the
tube to create a
vacuum, the electrons have a clear path from the cathode to the anode, and a current is created. A simplified diagram of a
vacuum tube diode. When the cathode is heated, and a positive voltage is applied to the anode, electrons can flow from the cathode to the anode.
Jan 18, 2018');})();(function(){window.jsl.dh('7','
');})();(function(){window.jsl.dh('_ZHidYOOgO_mT0PEP46q1uA056','
');})();(function(){window.jsl.dh('9','
An electronic device that controls the flow of electrons in a vacuum. It is used as a switch, amplifier or display screen (CRT). Used as on/off switches, vacuum tubes allowed the first computers to perform digital computations.
