Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

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

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Electronic Principles
The period of a waveform is:

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

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

The current always has the same amplitude and phase for every part of the circuit
None of these
The total current is equal to the sum of the currents through the resistance and inductance
The total current is less than the sum of the currents through the resistance and inductance
The total current leads the total voltage by less than 90

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

All of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
None of these
The sum of the current is always less than the applied current
The current waveform for each component always has the same amplitude and phase as the applied current

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

round off both the voltage and current waveforms
peak the voltage and round off the current waveforms
None of these
peak both the voltage and current waveforms
peak the current and round off the voltage waveforms

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

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

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