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

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Electronic Principles
Voltage is

The flow of charged particles through a material
The smallest electrically charged particle
The number of free electrons in an atom
None of these
Trie force that causes electrons to flow

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
The longer the period of a waveform, the lower its frequency
The higher the amplitude of a waveform, the higher its frequency
The actual frequency of a sine waveform is 1.41 times the working frequency
None of these

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