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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 3
31.
A device that converts chemical energy to electrical energy is called a:
solar cell
thermocouple
chemical cell
electric device
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?
37.4 V
35.4 V
38.74 V
30.4 V
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
What is the difference between a conductor and an insulator?
A conductor allows current to flow much easier than an insulator does
An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all
An insulator allows current to flow much easier than a conductor does
The difference between conductors and insulators depends on how they are used
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?
15 V
16 V
7.5 V
8 V
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
At room temperature an intrinsic semiconductor has
a few free electrons and holes
many holes
many free electrons
No holes
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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