Gmdss_e3 : Element 3 - 564/605 |
---|
« Previous Question |
The permanent magnetic field that surrounds a traveling-wave tube (TWT) is intended to: |
A) Provide a means of coupling. |
B) Prevent the electron beam from spreading. |
C) Prevent oscillations. |
D) Prevent spurious oscillations. |
loading answer...
Comments |
---|
There are no comments for this question. |