To keep the electrons together,the focusing cup:
A) has a negative charge
B) has a positive charge
C) physically surrounds the electron cloud
D) A and C
Correct Answer:
Verified
Q45: With a rotating anode, the focal spot
Q47: The cathode
A)includes a focusing cup
B)provides electrons for
Q53: An x-ray tube with two filaments is
Q59: Part of the useful x-ray beam gets
Q62: Heat from x-ray production is removed through
Q63: Each cathode filament is approximately
A) 1-3 mm
Q64: The cloud of electrons produced through thermionic
Q65: Which of the following occurs first during
Q75: The filament is primarily made of
A) rhenium
B)
Q76: Thermionic emission is
A) heating the filament
B) heating
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