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Electronic Principles

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

4
29
48
None of these
14

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Electronic Principles
The basic unit of measurement for resistance is the:

watt
volt
None of these
ohm
ampere

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

piezoelectric devices
chemical cell
thermocouple
None of these
solar cell

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Electronic Principles
Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage?

None of these
180 V
120 V
170 V
100 V

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Electronic Principles
How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

0.625 W
325 kW
0.24 W
None of these
80 W

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Electronic Principles
The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?

10.3 µA
7.75 µA
None of these
14.8 µA
7.8 µA

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