Multiple choice

In which of the following devices does the wiper act as a sliding contact?

  1. Switch

  2. Photoconductive cell

  3. Thermistor

  4. Potentiometer

  5. Ammeter
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A potentiometer (informally a pot), is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider.

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