Electronic Principles
The knee voltage of a diode is approximately equal to the

Applied voltage
Forward voltage
Barrier potential
None of these
Breakdown voltage

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Electronic Principles
The north pole of a magnet is the one:

that would be repelled by the south pole of another magnet
that would be attracted to the earth's north magnetic pole
that would be attracted to the earth's south magnetic pole
None of these
that has its molecules arranged in a random pattern

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Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

equal to the sum of the individual inductive-reactance values
None of these
equal to the sum of the individual inductance values
less than the inductance value of the smallest inductor
equal to the source voltage divided by total current

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Electronic Principles
The dielectric constant of a material is a measure of:

how well the material concentrates electrostatic lines of force
the amount of opposition to the current flow
None of these
how well the material concentrates magnetic lines of force
the amount of voltage it can withstand before breaking down

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