Electronic Principles
Waveforms are graphs that show:

None of these
frequency on the vertical axis and amplitude on the horizontal axis
amplitude on the vertical axis and frequency on the horizontal axis
amplitude on the vertical axis and the passage of time on the horizontal axis
the passage of time on the vertical axis and amplitude on the horizontal axis

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

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

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Electronic Principles
Which one of the following statements is true for the currents in a parallel RC circuit?

The total current is equal to the sum of the currents for the resistance and capacitance
The total current is less than the sum of the currents for the resistance and capacitance
The total current. is greater than the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit
None of these

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Electronic Principles
The total impedance of a parallel RLC circuit:

is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
always increases as the applied frequency increases
always decreases as the applied frequency increases
is maximum at the resonant frequency
None of these

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