Electronics information · Difficulty 2
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 12-volt source drives 2 amperes through a resistor. What is the resistance?
- 4 ohms
- 6 ohms
- 10 ohms
- 24 ohms
Reveal answer and explanation
6 ohms
Using R = V ÷ I, resistance is 12 ÷ 2 = 6 ohms.