Electronic Principles
Which one of the following statements is true for resistance in a parallel circuit?

The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance of a parallel circuit is always less than the value of the smallest resistance
The total resistance of a parallel circuit is equal to the total voltage
None of these
The total resistance in a parallel circuit is equal to the average value of the individual resistances

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Like magnetic poles attract; unlike poles repel
Current is induced in a conductor that is moving through a magnetic field
Like magnetic poles repel; unlike poles attract
None of these
Current flowing through a conductor generates a magnetic field

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

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

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