Electronic Principles
The saturation point is approximately the same as

lower end of the load line
cutoff point
upper end of the load line
None of these
infinity

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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
Inductive reactance is a force that tends to overcome the effects of counter emf
None of these

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Electronic Principles
A low-pass filter:

passes higher-frequency signals and reduces lower-frequency signals
reduces the level of all frequencies by a significant amount
has no effect on ac signals
None of these
passes lower-frequency signals and reduces higher-frequency signals

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