4a Electricity and Conductivity Quiz
Quiz
•
Physics
•
12th Grade
•
Easy
Paul Martin
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of electric current?
Coulombs
Ampere
Electronvolts
Ohms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a semiconductor, what band is responsible for electron conduction?
Valence band
Conduction band
Semiconductor band
Superconductor band
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unit is used to measure electric charge?
Coulombs
Ampere
Electronvolts
Joules
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Ohm's law state?
Voltage is directly proportional to current
Voltage is inversely proportional to current
Current is directly proportional to resistance
Current is inversely proportional to resistance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Conduction electrons are best described as:
Electrons that move freely in a conductor
Electrons confined to a specific atom
Electrons with high potential energy
Electrons with low mobility
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formula for voltage (V) is:
V=IR
V=I/R
V=Q/t
V=W/q
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following represents the intensity-potential graph of semiconductor diodes?
Exponential increase
Linear increase
Linear decrease
Exponential decrease
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