How many electrical circuits are used in a dental x-ray machine?
A) One
B) Two
C) Three
D) Four
B
Explanation: A) There are two electrical circuits used in a dental x-ray machine. A filament circuit provides low voltage to the cathode filament to provide the source of electrons. A high-voltage circuit provides the high voltage needed to accelerate the electrons from the negative cathode to the positive anode.
B) There are two electrical circuits used in a dental x-ray machine. A filament circuit provides low voltage to the cathode filament to provide the source of electrons. A high-voltage circuit provides the high voltage needed to accelerate the electrons from the negative cathode to the positive anode.
C) There are two electrical circuits used in a dental x-ray machine. A filament circuit provides low voltage to the cathode filament to provide the source of electrons. A high-voltage circuit provides the high voltage needed to accelerate the electrons from the negative cathode to the positive anode.
D) There are two electrical circuits used in a dental x-ray machine. A filament circuit provides low voltage to the cathode filament to provide the source of electrons. A high-voltage circuit provides the high voltage needed to accelerate the electrons from the negative cathode to the positive anode.
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