Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?

Magnetomotive force
Reluctance
Flux density
None of these
Number of lines of force

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

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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 1.41 times the maximum value
the amplitude at 70.7% of the maximum value

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