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

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

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Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

None of these
Capacitive reactance provides the only opposition to current flow
Resistances provide the only opposition to current flow
Combinations of resistance and capacitive reactance provide any opposition to current flow
The ac voltage leads the current by 90 degree

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Electronic Principles
Molecule is

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

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