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Electronic Principles

Electronic Principles
How much current flows through a 60-W light bulb that is operating at 120 V?

7200 A
0.5A
180 A
None of these
0.083333333333333

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Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

Ideal voltage source and series resistor
Ideal voltage source and parallel resistor
Ideal current source and parallel resistor
Ideal current source and series resistor
None of these

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Electronic Principles
A basic capacitor is composed of:

None of these
two dielectrics separated by a conductor
two coils separated by a conductor
two conductors separated by a dielectric
two coils separated by a dielectric

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Electronic Principles
How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?

0.02 A
2.02 A
0.41666666666667
None of these
0.955 A

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

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

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Electronic Principles
What causes the depletion layer?

Ions
None of these
Recombination
Doping
Barrier potential

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