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

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

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Electronic Principles
When a series RLC circuit is operating at its resonant frequency:

capacitive reactance is greater than the inductive reactance
inductive reactance is equal to the capacitive reactance
inductive reactance is greater than the capacitive reactance
None of these
the difference between inductive and capacitive reactance is equal to the resistance

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Electronic Principles
What is the difference between a conductor and an insulator?

None of these
The difference between conductors and insulators depends on how they are used
An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all
A conductor allows current to flow much easier than an insulator does
An insulator allows current to flow much easier than a conductor does

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

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

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