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Electronic Principles

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

None of these
180 A
0.083333333333333
0.5A
7200 A

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Electronic Principles
A device that converts mechanical into electrical energy is?

None of these
generator
thermocouple
solar cell
chemical cell

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Electronic Principles
The valence electron of a copper atom experiences what kind of attraction toward the nucleus?

Strong
None of these
Weak
Neutral
Impossible to say

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Electronic Principles
Doubling the operating frequency of a capacitive circuit:

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

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

170 V
180 V
None of these
120 V
100 V

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Electronic Principles
The knee voltage of a diode is approximately equal to the

None of these
Barrier potential
Applied voltage
Forward voltage
Breakdown voltage

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