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Electronic Principles

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

None of these
170 V
180 V
100 V
120 V

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Electronic Principles
A transistor has how many doped regions?

1
4
None of these
3
2

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Electronic Principles
The net charge of a neutral copper atom is

1
4
-1
None of these

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Electronic Principles
What causes the depletion layer?

Barrier potential
None of these
Ions
Doping
Recombination

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Electronic Principles
The graph of current gain versus collector current indicates that the current gain

equals the collector current divided by the base current
is contant
None of these
varies slightly
varies enormously

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

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

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