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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 4
26.
Which one of the following statements applies to common auto batteries?
Auto batteries are primary wet-cell batteries
Auto batteries are secondary wet-cell batteries
Auto batteries are secondary dry-cell batteries
Auto batteries are primary dry-cell batteries
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?
P = IE
P = E2/R
P = I2R
I = P/E
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?
0 V
36 V
40 V
60 V
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
A device that converts light energy to electrical energy is called a:
thermocouple
solar cell
photodiode
photo transistor
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
How much current flows through a 60-W light bulb that is operating at 120 V?
0.5A
180 A
2 A
7200 A
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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