4 ohms 8 ohms 13 ohms 22 ohms
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A 72 W navigation unit on a commercial aircraft has a 24 V power supply and uses 3 A of electric current. What is the electrical resistance of the navigation unit?
Possibilities:
- 4 ohms
- 8 ohms
- 13 ohms
- 22 ohms

8 ohms