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Which of the following is NOT a type of resistor?
Dielectric.
Potentiometer.
Rheostat.
Variable.
Detailed Explanation
A potentiometer is a three terminal resistor with a sliding contact. A rheostat is a two terminal variable resistor. A variable resistor is any resistor that allows you to change the amount of resistance. Potentiometers and rheostats are both types of variable resistors.
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