Electronics information · Difficulty 1
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Which statement best describes resistance?
- a protective device that melts and opens a circuit during excessive current
- a component designed to conduct mainly in one direction
- opposition to electric current
- a circuit with one path for current through all components
Reveal answer and explanation
opposition to electric current
resistance is opposition to electric current. A resistor limits current through an LED.