Electronic Principles
Doubling the operating voltage of a purely capacitive circuit:

None of these
has no effect on the capacitive reactance
multiplies the capacitive reactance by 7
cuts the capacitive reactance in half
doubles the amount of capacitive reactance

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Electronic Principles
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?

The voltage causes current to flow in two directions at the same time
The voltage remains at one polarity but changes value periodically
The voltage remains at one polarity and at a steady level
The voltage reverses polarity periodically
None of these

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