Discussion
With \( \beta = 100 \) that stage's collector current is
Answer: C
Multiplying the base current by the gain:
\[ I_{C} = 100 \times 24 \ \mathrm{\mu A} = 2.4 \ \mathrm{mA} \]
so 2.4 mA. If beta were 300 the current would be 7.2 mA and the stage would very likely saturate. Working out both extremes of the beta range rather than the nominal value is what reveals whether a bias arrangement will survive a device change.
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