Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
cuts the current through the inductors one-half
None of these
has no effect on the current through the inductors
doubles the amount of current through the inductors

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Electronic Principles
What is a free electron?

An electron that has twice the amount of charge of a normal electron
An electron that has been freed from its parent atom
An electron that costs nothing
An electron that has no electrical charge
None of these

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

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Electronic Principles
The rms value of a sine waveform is:

equal to 1.41 times the peak amplitude
equal to 0.707 times the peak amplitude
None of these
the number of cycles completed in one second
the time required to complete one full cycle

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