A Potentiometer Is a Three-Wire ____ That Acts as a Voltage

question 40

Multiple Choice

A potentiometer is a three-wire ____ that acts as a voltage divider to produce a continuously variable output signal proportional to a mechanical position.

• A) load device
• B) variable resistor
• C) rheostat
• D) measuring device

---

Definitions:

Conservation

Understanding that specific properties of objects remain the same despite changes in the object's form or appearance.

Egocentrism

A cognitive bias where an individual has difficulty understanding viewpoints different from their own.

Sensorimotor Stage

The earliest stage in Piaget's theory of cognitive development, lasting from birth to about age 2, where infants learn about the world primarily through sensory experiences and manipulating objects.

Formal Operational

The final stage in Piaget's theory of cognitive development, characterized by the ability to think abstractly, logically, and to carry out systematic planning.