Electronic Principles
A basic capacitor is composed of:

two coils separated by a dielectric
None of these
two conductors separated by a dielectric
two dielectrics separated by a conductor
two coils separated by a conductor

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

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

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

None of these
An electron has a negative charge and a proton has no charge
An electron has a positive charge and a proton has a negative charge
An electron has a positive charge and a proton has no charge
An electron has a negative charge and a proton has a positive charge

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Electronic Principles
Which one of the following principles best describes the basic operation of an electromagnet?

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

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Electronic Principles
Molecule is

A atom that flows whenever there is an imbalance of electrical charges between two points
A atom that has an excessive number of electrons in its outer orbit
A atom that has a shortage of electrons in its outer orbit
None of these
The smallest particle of a substance that retains the properties of that substance

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