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Electronic Principles

Electronic Principles
Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?

30.4 V
35.4 V
37.4 V
38.74 V
None of these

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Electronic Principles
At room temperature an intrinsic silicon crystal acts approximately like

None of these
a conductor
a piece of copper wire
an insulator
a battery

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Electronic Principles
Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

20 W
None of these
200 W
100 W
1000 W

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Electronic Principles
At room temperature an intrinsic semiconductor has

many holes
No holes
many free electrons
a few free electrons and holes
None of these

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Electronic Principles
A typical light switch in your home is a:

rotary switch
toggle switch
momentary push button switch
None of these
knife switch

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Electronic Principles
How many protons does the nucleus of a silicon atom contain?

29
4
None of these
14
48

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