Electronic Principles
The saturation point is approximately the same as

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

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Electronic Principles
What is a negative ion?

None of these
An atom that contains more electrons than neutrons
An atom that contains more protons than neutrons
An atom that contains more protons than electrons
An atom that contains more electrons than protons

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Electronic Principles
Which one of the following statements is true for the impedance of a series RC circuit?

The impedance is equal to the sum of the resistance and capacitive reactance
The impedance is greater than either the resistance or capacitive reactance but less than their sum
None of these
The impedance is less than the sum of the resistance and capacitive reactance
The impedance is greater than the sum of the resistance and capacitive reactance

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Electronic Principles
A low-pass filter:

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

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