Electronics - Voltage and Current

Exercise :: Voltage and Current - General Questions

21. 

One coulomb passing a point in one second is one:

A. ampere
B. volt
C. ohm
D. charge

Answer: Option A

Explanation:

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22. 

In which states may matter may be found?

A. solid, liquid, or mineral
B. solid, gas, or liquid
C. mineral, gas, or liquid
D. plastic, solid, or gas

Answer: Option B

Explanation:

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23. 

Material that consists of a mixture of elements is considered to be:

A. an element
B. an ion
C. a compound
D. a molecule

Answer: Option C

Explanation:

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24. 

How many valence shell electrons are there in semiconductor atoms?

A. 16
B. 8
C. 4
D. 2

Answer: Option C

Explanation:

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25. 

When considering conventional current versus electron current flow:

A. electron current flow came first
B. protons move in conventional current flow
C. conventional current flow came first
D. the direction of current is the same in both methods

Answer: Option C

Explanation:

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