Question

1. a potentiometer is a variable resistor that utilizes how many terminals?

two

three

four

five

Explanation:

Identify the component definition

Using the Resistor Applications knowledge point
A potentiometer is a three-terminal variable resistor. It consists of a resistive element and a sliding contact (wiper) that moves along it.

Analyze the terminal functions

The two outer terminals connect to the ends of the fixed resistive element. The middle terminal connects to the adjustable sliding wiper. This configuration allows it to function as an adjustable voltage divider.

Evaluate the given options

• "Two" describes a rheostat configuration (though a potentiometer can be wired as one).
• "Three" is the standard physical terminal count of a potentiometer.
• "Four" and "Five" are incorrect for standard potentiometers.

Answer:

• Two
• Three (Correct answer)
• Four
• Five