21.
One coulomb passing a point in one second is one:
A. ampere B. volt
C. ohm D. charge
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
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 & Explanation
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
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 & Explanation
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
24.
How many valence shell electrons are there in semiconductor atoms?
A. 16 B. 8
C. 4 D. 2
Answer & Explanation
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
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 & Explanation
Answer: Option C
Explanation:
No answer description available for this question