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Semiconductors 1 Flashcards | StudBud
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Semiconductors 1
Semiconductors 1
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UPP week Prior knowledge check
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
As temperature increases, the resistance of a semiconductor...
Decreases
Stays the same
Increases
2
Describe the direction of motion of electrons in the circuit shown
Right
Anticlockwise
Clockwise
Left
3
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4
Why does the resistance of a metal wire increase with temperature?
The electrons move faster
The electron velocity decreases
The electron velocity increases
The electrons move slower
5
What happens to the resistance of a metal wire as it heats up?
It decreases
It increases
It stays the same
6
As temperature increases, the amplitude of lattice vibrations in a semiconductor...
Decreases
Stays the same
Increases
7
Define Electric Current
Rate of flow of charge
Charge / time
Movement of electrons
(Number of electrons to flow past a point x charge of an electron) / time
8
As temperature increases, the number of conduction electrons in a metal...
Increases
Decreases
Stays the same
9
As temperature increases, the amplitude of lattice vibrations in a semiconductor...
Stays the same
Increases
Decreases
10
Describe the direction of motion of Na+ ions in the circuit shown
Left
Clockwise
Right
Anticlockwise
