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

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

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Electronic Principles
One henry of inductance is defined as:

the amount of inductance required to change the frequency of a current by 1 Hz
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second
the number of turns of wire in an inductor multiplied by the amount of current flowing through it
None of these
the amount of counter emf required to reduce a current to 1 A

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

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

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