Electronic Principles
Molecule is

A atom that has an excessive number 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
None of these
A atom that has a shortage of electrons in its outer orbit

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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
The ac voltage leads the current by 90 degree
Combinations of resistance and capacitive reactance provide any opposition to current flow
Resistances provide the only opposition to current flow

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