Recent content by katiemc124

haha nevermind. I was having trouble because I didn't have enough information, but I just didn't see where it was written. Thanks for your help anyway!

Homework Statement The voltmeter is removed (previous question was a voltmeter connected to a battery and it reads 12 V) and a resistor of 21 ohm is connected to the battery. What is the current (I) through the battery? Homework Equations emf=V I=emf/(R+r) The Attempt at a...