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

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

Question

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

Options:

A . The energy contained the cavity resonators

B . The effect of an external magnetic field

C . The energy liberated form the collector

D . The absorption of energy by the signal from an electron stream

Answer: Option D

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