A battery of e.m.f 10V an internal resistance 2Ω is connected to a resistance of 6Ω. Calculate the p.d?

A. 8.75V
B. 7.50V
C. 5V
D. 2.50V
E. 1.25V

Correct Answer: Option B

B. 7.50V

Explanation
V = E – Ir = 10V – 10×2/8 = 7.5V