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Multiple Choice Quiz
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1
The electron has a negative charge.
A)True
B)False
2
The symbol for charge is Q.
A)True
B)False
3
Current that travels in the same direction all the time is called direct current.
A)True
B)False
4
When gas is subjected to a strong magnetic field, the gas ionizes.
A)True
B)False
5
Materials that offer a high resistance to current are called insulators.
A)True
B)False
6
The base unit of current is the
A)coulomb
B)joule
C)ampere
D)volt
7
The most common way of producing a voltage is by
A)crystals
B)electric generator
C)thermocouples
D)solar cells
8
Materials that offer a high resistance to current are called
A)resistors
B)semiconductors
C)conductors
D)insulators
9
The symbol for resistance is
A)W
B)O
C)P
D)R
10
Vacuum tubes and cathode ray tubes were used in
A)oscilloscopes
B)radar
C)computer monitors
D)all of the above answers are correct





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