What is the main difference between a vacuum...
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Question 1 of 27070
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What is the main difference between a vacuum tube and a semiconductor device?
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A
A vacuum tube requires a heated cathode to emit electrons, a semiconductor device does not.
B
A semiconductor device requires a heated cathode to emit electrons, a vacuum tube does not.
C
Both vacuum tubes and semiconductor devices require a heated cathode to emit electrons.
D
Neither vacuum tubes nor semiconductor devices require a heated cathode to emit electrons.
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Question 1 of 27070
5eccefa4bacbc34ba4d48630
Q
What is the main difference between a vacuum tube and a semiconductor device?
A
A vacuum tube requires a heated cathode to emit electrons, a semiconductor device does not.
B
A semiconductor device requires a heated cathode to emit electrons, a vacuum tube does not.
C
Both vacuum tubes and semiconductor devices require a heated cathode to emit electrons.
D
Neither vacuum tubes nor semiconductor devices require a heated cathode to emit electrons.
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