Electronic Principles
The value of a capacitor can be made larger by:

increasing the frequency of the applied voltage
None of these
increasing the voltage applied to the plates
decreasing the area of the plates
increasing the area of the plates

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Electronic Principles
The period of a waveform is:

the time required for the voltage to rise from 10% to 90% of the peak amplitude
the time required to complete one full cycle
None of these
the number of cycles completed in one second
equal to 0.707 times the peak amplitude

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Electronic Principles
The total inductance of a series inductor circuit is:

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

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Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

None of these
The ac voltage leads the current by 90 degree
Resistances provide the only opposition to current flow
Capacitive reactance provides the only opposition to current flow
Combinations of resistance and capacitive reactance provide any opposition to current flow

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