Electronic Principles
A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

8 V
16 V
15 V
None of these
7.5 V

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Electronic Principles
A high-pass filter:

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

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Electronic Principles
The total capacitance of a series capacitor circuit is:

equal to the sun of the individual capacitive-reactance values
less than the value of the smallest capacitor
equal to the source voltage divided by total current
None of these
equal to the sum of the individual capacitance values

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Electronic Principles
When a series RLC circuit is operating at its resonant frequency:

inductive reactance is equal to the capacitive reactance
capacitive reactance is greater than the inductive reactance
None of these
the difference between inductive and capacitive reactance is equal to the resistance
inductive reactance is greater than the capacitive reactance

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Electronic Principles
The total capacitive reactance of a parallel capacitor circuit is:

equal to the sum of the individual capacitance values
equal to the source voltage divided by total current
equal to the sum of the individual capacitive-reactance values
None of these
less than the capacitance value of the smallest capacitor

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