Electronic Principles
What form of energy is used to maintain an imbalance of charges between the terminals of a battery?

Mechanical energy
None of these
Chemical energy
Solar energy
Electronical energy

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

An insulator allows current to flow much easier than a conductor does
None of these
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
The difference between conductors and insulators depends on how they are used

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

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

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