Discussion
One cycle of a waveform occupies 5 divisions with the time base at 2 ms per division. The frequency is
Answer: A
The period is \( 5 \times 2 = 10 \) ms and its reciprocal is 100 Hz. Spreading the waveform over as much of the screen as possible reduces the fractional error in reading the number of divisions, so one cycle across ten divisions is the ideal.
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