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

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

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Electronic Principles
What is a free electron?

An electron that has been freed from its parent atom
An electron that costs nothing
An electron that has no electrical charge
None of these
An electron that has twice the amount of charge of a normal electron

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

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

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Electronic Principles
Which one of the following statements is true for current flowing in a parallel circuit?

None of these
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The total current in a parallel circuit is always less than the smallest amount of current
The same current always flows through every part of a parallel circuit
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it

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