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

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

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Electronic Principles
Which one of the following phrasers best describes flux density?

The force that maintains lines of force
None of these
The rate of change of the number of lines of magnetic force
The concentration of lines of magnetic force
The opposition to a build-up of magnetic fields

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