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What is a solid-state device?
An electronic device that operates by virtue of the movement of electrons within a solid piece of semiconductor material
Define the term negative temperature coefficient?
The decrease in a semiconductors resistance as a temperature rises
Name three of the largest users of semiconductor devices?
Space system, computers, and data process equipment
State one requirement of an electron tube, which does not exist for semi conductors, that makes the tube less efficient than the semiconductor?
The electron tube requires filament or heater voltage, whereas the semiconductor device does not; consequently, no power input is spent by the semiconductor for conduction
Define matter and list it's three different states?
Anything that occupies space and has weight, liquid, solid, gas.
What is the smallest particle into which an element can be broken down and still retain all its original properties?
The atom
What are the three particles that comprise an atom and state the type of charge they hold?
Electrons-negative, protons-positive, neutrons-neutral.
What is the outer shell of an atom called?
Valence shell
What term is described the definite discrete amounts of energy required to move an electron from a low shell to a higher shell?
Quanta
What is negative ion?
A negatively charged atom having more than its normal amount of electrons
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