Question

The space inside a Coolidge tube should be a-
(A) high vacuum
(B) filled with high-pressure gas
(C) filled with low-pressure inert gas
(D) filled with any gas at low pressure​

Answer 1

Explanation:

In the Coolidge tube, the electrons are produced by thermionic effect from a tungsten filament heated by an electric current. The filament is the cathode of the tube.The high voltage potential is between the cathode and the anode, the electrons are thus accelerated, and then hit the anode

Answer 2

Answer:

A

Explanation:

The space inside a coolidge tube should be high vaccum