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## Homework Statement

I need to calculate EMF and internal resistance from the given resistance and voltage.

R = 3 ohms

U = 3,6 V

EMF- ?

I

_{0}- ?

r - ?

## Homework Equations

I = U/R

EMF = A/q

I = EMF/R+r

I

_{0}= EMF/r

## The Attempt at a Solution

I = 3,6/3 = 1,2 A

I = EMF/R+r

1,2= EMF/3+r

^ I hit a wall there, don't know whether to consider EMF to be the same as Voltage or not. Help please.