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Electronic Principles

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

180 A
7200 A
0.083333333333333
None of these
0.5A

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

Neutral
None of these
Impossible to say
Weak
Strong

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Electronic Principles
Doubling the operating frequency of a purely capacitive circuit:

thrice the amount of total current
None of these
doubles the amount of total current
cuts the total current by one-half
has no effect on the total circuit current

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Electronic Principles
Which one of the following statements regarding ac circuits is correct?

None of these
All of these
Current and voltages are in phase through a resistor
Current leads the voltage through a resistor
Current lags the voltage through a resistor

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Electronic Principles
What kind of device is a diode?

Nonlinear
Unipolar
Linear
None of these
Bilateral

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Electronic Principles
The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?

0.041666666666667
9.3 W
0.93 V
None of these
0.93 W

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