Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

P = E2/R
None of these
P = IE
P = I2R
I = P/E

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Electronic Principles
Molecule is

A atom that has an excessive number of electrons in its outer orbit
The smallest particle of a substance that retains the properties of that substance
None of these
A atom that has a shortage of electrons in its outer orbit
A atom that flows whenever there is an imbalance of electrical charges between two points

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Electronic Principles
The peak value of a sine waveform is:

the amplitude at 90% of the maximum value
None of these
the maximum positive or negative value
the amplitude at 70.7% of the maximum value
the amplitude at 1.41 times the maximum value

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Electronic Principles
A high-pass filter:

passes higher-frequency signals and reduces lower-frequency signals
passes lower-frequency signals and reduces higher-frequency signals
None of these
has no effect on ac signals
increases the level of all frequencies by a significant amount

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