The purpose of the focusing cup is to
A) produce thermionic emission from the filament
B) prevent thermionic emission from the filament
C) allow the electrons to spread out
D) keep the electrons together
Correct Answer:
Verified
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)
Q76: Thermionic emission is
A) heating the filament
B) heating
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,
Q82: How many heat units are produced with
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