Electronic Principles
The period of a waveform is:

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

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

storing 1 V for 1 second
causing an ac phase shift greater than 90 degree
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing
dissipating 1 W of power
None of these

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