physics internal resistance

[foreseen]

---

Members do not see this ad.

The answer for this question is B, would someone please explain how to work this problem out. thank you.

A 12-volt battery with an internal resistance of
1-Ω resistor. Which of the following is the
current in amperes that flows in the circuit.
A. 4
B. 3
C. 9
D. 12
E. 48

 

[hurricaneuro]

Well, according to V=IR it looks like the answer should be 12...

 

[EyEnStein 07]

http://forums.studentdoctor.net/showthread.php?t=649863

 

[foreseen]

Thanks guys, I was under the impression that this practice test would be a better representation of the real thing than the kaplan practice tests, I guess I was wrong. It's a shame because I did way better on this than the kaplan ones.