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Electronic Principles

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

None of these
30.4 V
38.74 V
35.4 V
37.4 V

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Electronic Principles
When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

series RL circuit
None of these
purely resistive circuit
series RC circuit
series RLC circuit operated above its resonant frequency

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Electronic Principles
Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

20 V
18.8 V
10.17 V
None of these
0.17 V

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Electronic Principles
A device that converts mechanical pressure to electrical energy is called a:

piezoelectric device
photodiode
nicad cell
None of these
solar cell

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Electronic Principles
At room temperature an intrinsic semiconductor has

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

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Electronic Principles
Which one of the following is most likely used for measuring the rate of electron flow?

Ohmmeter
Voltmeter
Ammeter
None of these
Wattmeter

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