Electronic Principles
Molecule is

A atom that has an excessive number of electrons in its outer orbit
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
A atom that flows whenever there is an imbalance of electrical charges between two points

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Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

equal to the source voltage divided by total current
less than the inductance value of the smallest inductor
None of these
equal to the sum of the individual inductive-reactance values
equal to the sum of the individual inductance values

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Electronic Principles
Which one of the following statements most accurately describes the nature of inductive reactance?

Inductive reactance is an opposition to current flow in dc circuits
Inductive reactance is another term for counter emf
Inductive reactance is an opposition to current flow in ac circuits
None of these
Inductive reactance is a force that tends to overcome the effects of counter emf

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