Answer:
V=I. R=R+rER.
Explanation:
Let E be the e.m.f and V be the terminal voltage
The current delivered ( I ) to a load ( R) from a cell with internal resistance (r) can be calculated as:
E
I= ________
R+r
And the Potential difference across the load or the Terminal Voltage can be calculated as:
ER
V=I.R= ________
R+r