Discussion
Small resistors placed in the emitters of paralleled output devices to equalise their currents are called ______ resistors.
Answer: B
These are ballast resistors, and they work because a device taking more current develops more voltage across its own resistor, which reduces its drive. A bleeder discharges a capacitor, a swamping resistor stabilises a gain, and a pull-up establishes a logic level. Each name describes what the resistor is there to do, and using the right one makes a schematic self-explanatory to whoever reads it next.
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