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

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

The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance in a parallel circuit is equal to the average value of the individual resistances
The total resistance of a parallel circuit is always less than the value of the smallest resistance
None of these
The total resistance of a parallel circuit is equal to the total voltage

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Electronic Principles
For a pure capacitor:

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

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