Electronic Principles
If a load resistance is 1 kW, a stiff current source has a resistance of

Less than 100 k Ohm
Less than 10 Ohm
At least 10 Ohm
None of these
More than 100 k Ohm

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Electronic Principles
The rms value of a sine waveform is:

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

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