Each of the following is used to establish a reference voltage on a comparator input except a
A)voltage divider.
B)LED.
C)zener diode.
D)battery.

Question

Quizplus · Accepted Answer

LEDs are primarily used as indicators or for illumination, not for establishing a reference voltage in the context of a comparator input. Voltage dividers, zener diodes, and batteries can all be used to provide a stable reference voltage.

Each of the Following Is Used to Establish a Reference