Thank you for your reply. yeah, I should have demonstrated the method 1 or as mentioned "quick method". the comparing was actually for the sake of calculating uncertainties, but that's ok. although I am a little confused how to work out uncertainties from a set of values, but I'm working on it...
Homework Statement
It is an experiment. Finding the internal resistance of a Dry cell. It includes 2 methods, the quick method and the graphical method. Work out and record 8 pairs of V and I reading by varying the slider of the rheostat and then work out the Ɛ (e.m.f) and r (internal...