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

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

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

The current waveform for each component always has the same amplitude and phase as the applied current
The sum of the current is always less than the applied current
All of these
None of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage

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