Friday
July 25, 2014

Homework Help: Physics

Posted by Kate on Wednesday, August 26, 2009 at 11:03pm.

I'm stumped on what formula to use for the following question.

A 1.5V battery does 4.5*10^2 J of work in 120s.

Calculate the current through the battery
Calculate the number of elementary charges that pass through the battery.

I've been trying to figure out the formula to start with and would really appreciate some help.

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