31. |
"FET" is a type of transistor, Its full name is ________ Effect Transistor...? |
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32. |
What are three types of lasers? |
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33. |
What will a UPS be used for in a building? |
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34. |
Once the active medium is excited, the first photons of light are produced by which physical process? |
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35. |
What does AC and DC stand for in the electrical field? |
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