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.
A resistor limits current through an LED. Which concept is being demonstrated?
- resistance
- series circuit
- fuse
- diode
Reveal answer and explanation
resistance
resistance is opposition to electric current. A resistor limits current through an LED.