what is vaccum tube ?
Answers
Answered by
4
Answer:
A vacuum tube, an electron tube, valve (British usage) or tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. ... Electrons can only flow in one direction through the device—from the cathode to the anode.
Answered by
0
Explanation:
A sealed glass tube containing a near-vacuum which allows the free passage of electric current.
Similar questions