Thermionic emission is
A) heating the filament
B) heating the filament until electrons are boiled off
C) using the focusing cup to create a space charge
D) the space charge that travels from cathode to anode
Correct Answer:
Verified
Q71: When the exposure switch at the operating
Q72: To keep the electrons together, the focusing
Q73: Which of the following occurs first during
Q74: The focusing cup is made of
A) tungsten
B)
Q75: The filament is primarily made of
A) rhenium
B)
Q77: The purpose of the focusing cup is
Q78: The filaments are connected to the
A) filament
Q79: Heat from x-ray production is removed through
Q80: Which of the following occurs last during
Q81: When the electrons strike the anode target,
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