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

None of these
The total current is equal to 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 total current is less 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

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Electronic Principles
In a pure inductor:

None of these
ac current leads the voltage by 90 degree
ac current is converted to dc voltage
ac current and voltage are exactly in phase
ac current lags the voltage by 90 degree

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Electronic Principles
For a pure capacitor:

None of these
ac current leads the voltage by 90 degree
ac current is converted to dc voltage
ac current and voltage are exactly in phase
ac current lags the voltage by 90 degree

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

The actual frequency of a sine waveform is 1.41 times the working frequency
None of these
Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
The longer the period of a waveform, the lower its frequency
The higher the amplitude of a waveform, the higher its frequency

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