_____ is the phenomenon that occurs around the filament during thermionic emission and prevents the further escape of electrons from the filament.
A) Saturation current
B) Space charge effect
C) mA rectification
D) Line focus principle
Correct Answer:
Verified
Q15: The actual flow of electrons from cathode
Q16: The positive side of the x-ray tube
Q17: Which of the following could be defined
Q18: mA is a measure of _ that
Q19: What is the name of the device
Q21: The advantage to having a focal track
Q22: A dual-focus tube has two:
A) cathode filaments.
B)
Q23: The amount of filtration required to reduce
Q24: The device that nearly surrounds the filament
Q25: _ envelopes are more commonly used in
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