Electronic Principles
1 Microfarad is the same as:

1 million farads
1 million picofarads
1000 millifarads
1 millionth of a picofarad
None of these

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Electronic Principles
Which one of the following statements most accurately reflects the nature of ac power?

The current in an ac circuit flows in one direction at a steady level
The current in an ac circuit flows in one direction, but changes value periodically
The current in an ac circuit changes direction periodically
None of these
The current in an ac circuit flows in two directions at the same time

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

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