The anode is held at __________ positive potential and the filament is held at ____________ potential.
A. High, ground
B. Ground, high
C. Low, high
D. High, low
Answer:A
The anode is held at __________ positive potential and the filament is held at ____________ potential.
A. High, ground B. Ground, high C. Low, high D. High, low
Explanation: The anode is held at high potential and the filament is held at ground potential. Electrons are accelerated from the filament.