Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

Ohmmeter
Wattmeter
None of these
Voltmeter
Ammeter

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Electronic Principles
For a pure capacitor:

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

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Electronic Principles
The rms value of a sine waveform is:

equal to 0.707 times the peak amplitude
the number of cycles completed in one second
the time required to complete one full cycle
equal to 1.41 times the peak amplitude
None of these

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