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

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

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Electronic Principles
In a pure inductor:

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

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