Discussion
Why does an emitter follower's bias tolerate a softer divider?
Answer: A
Because the emitter load is reflected to the base multiplied by beta, the impedance the divider must be stiff against is very high, so a softer divider still qualifies. The collector current is whatever the design chooses, the gain really is insensitive but that is not the reason, and the resistance comparison is incidental. Stiffness is relative to what is being driven, so a higher impedance load relaxes the requirement. Reading the definition literally, rather than recalling a formula, is the reliable route through questions of this shape.
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