What is a potentiometer?
A. A device that regulates electrical energy
B. A device that measures electrical energy
C. A device that amplifies or switches electrical signals
D. A device that can vary the resistance in an electrical circuit
Answer:D
What is a potentiometer?
A. A device that regulates electrical energy B. A device that measures electrical energy C. A device that amplifies or switches electrical signals D. A device that can vary the resistance in an electrical circuit