A traveling-wave tube (TWT) amplifies by virtue of – McqOptions

MCQOPTIONS

1.	A traveling-wave tube (TWT) amplifies by virtue of
A.	the absorption of energy by the signal from an electron stream
B.	the effect of an external magnetic field
C.	the energy contained the cavity resonators
D.	the energy liberated form the collector
Answer» B. the effect of an external magnetic field

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