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Electronic Principles

Electronic Principles
A transistor has how many doped regions?

4
3
None of these
2
1

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Electronic Principles
Doubling the operating frequency of a capacitive circuit:

None of these
cuts the capacitive reactance in half
has no effect on the capacitive reactance
multiplies the capacitive reactance by 6.28
doubles the amount of a capacitive reactance

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Electronic Principles
How may valence electrons does a silicon atom have?

4
1
None of these
2

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

None of these
Ammeter
Wattmeter
Ohmmeter
Voltmeter

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Electronic Principles
What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W?

0 degree
180 degree
None of these
26.6 degree
90 degree

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Electronic Principles
If the current gain is 200 and the collector current is 100 mA, the base current is

2 mA
None of these
0.5 mA
0.083333333333333
200 A

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