Discussion
A stage's two break frequencies are \( 100 \ \mathrm{Hz} \) and \( 100 \ \mathrm{kHz} \). Its bandwidth is about
Answer: A
Bandwidth is the difference between the two breaks:
\[ B = 100\mathrm{k} - 100 \approx 99.9 \ \mathrm{kHz} \]
which is about 99.9 kHz, and for practical purposes the lower break is negligible. Ten megahertz would be their product, which is not a bandwidth. When the two breaks differ by three orders of magnitude, the bandwidth is essentially the upper break alone, which is why it is usually the only figure quoted.
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