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

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

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Electronic Principles
What is a negative ion?

An atom that contains more protons than neutrons
An atom that contains more electrons than neutrons
None of these
An atom that contains more electrons than protons
An atom that contains more protons than electrons

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

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

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

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

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