Electronic Principles
The period of a waveform is:

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

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

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

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

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

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