Final answer:
Firm and stiff voltage dividers are designed so that the bleeder resistor is much greater than the load resistance to prevent a significant voltage drop across the bleeder resistor.
Step-by-step explanation:
In order to deal with the effects of changes in load, firm and stiff voltage dividers are designed so that the bleeder resistor is much greater than the load resistance. This is done to ensure that most of the voltage drop occurs across the load resistance, rather than the bleeder resistor. If the bleeder resistance is much smaller than the load resistance, it would cause a significant amount of voltage to be dropped across the bleeder resistor, resulting in a diminished voltage across the load resistance.