Potentiometers and rheostats differ in that:
A)potentiometers utilize linear and nonlinear tapers, while rheostats usually utilize only linear tapers.
B)potentiometers utilize three terminals, while rheostats usually use only two terminals.
C)potentiometers are used to vary voltages, while rheostats vary currents.
D)all of these.

Question

Quizplus · Accepted Answer

Potentiometers can have linear or nonlinear tapers and use three terminals to vary voltage, while rheostats typically use two terminals to vary current and usually have linear tapers.

Potentiometers and Rheostats Differ in That