Electronic Principles
A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?

50 Ohm
60 Ohm
10 Ohm
100 Ohm or more
None of these

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Electronic Principles
The rms value of a sine waveform is:

None of these
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

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