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Electronics - Voltage and Current

Exercise : Voltage and Current - General Questions
16.
Which voltage source converts chemical energy to electrical energy?
Electrical generator
Battery
Solar cell
Electronic power supply
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
An example of potential energy is:
tea-kettle steam
a moving vehicle
the sun
a battery
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
If 40 C of charge flow past a point in 20 s, what is the current?
2 A
0.5 A
20 A
40 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Batteries differ from fuel cells in that
a battery is a closed system
a battery uses hydrogen and oxygen to create electricity
a battery uses a polymer electrolyte membrane
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The removal of a non-neutral subatomic particle converts the atom into a:
charged ion
nucleus
heavier element
compound
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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