Im trying to figure out this problem for internal resistance of cell and i keep
ID: 1301490 • Letter: I
Question
Im trying to figure out this problem for internal resistance of cell and i keep going in cirles. I know the e.m.f , and 7 external resistance and the resulting terminal voltage across the resistor. im asked to figure out the equation(from directions below) then i need draw a graph. Can someone help me figure this out and what vales go on the x and y axis? and how would i use the slope to get a value for r (internal resistance).
If I is the current in the external resistor R and r is the internal resistance of the cell, the equation for the whole circuit is:
E = I(R + r)
Explanation / Answer
E = I(R + r)