Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

None of these
Voltmeter
Ohmmeter
Ammeter
Wattmeter

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Electronic Principles
Molecule is

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

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