A car's battery produces 12 V and has a charge of 70 A*hr. How long could the battery run a car whose entire electronic system had an equivalent resistance of 5 Ω? This assumes that the alternator isn't recharging the battery as you drive.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Power in Circuits concept. You can view video lessons to learn Power in Circuits. Or if you need more Power in Circuits practice, you can also practice Power in Circuits practice problems.
How long does this problem take to solve?
Our expert Physics tutor, Douglas took 3 minutes and 24 seconds to solve this problem. You can follow their steps in the video explanation above.