A battery of e.m.f. 12.0V and internal resistance 0.5Ω is connected to 1.5Ω and 4.0Ω series resistor. Calculate the terminal voltage of the battery.

by | May 19 | Physics WAEC | 0 comments

A. 13.0V
B. 11.0V
C. 3.0V
D. 1.0V

Correct Answer: Option B

B. 11.0V

Explanation

V/R=E/(R+r)=V/5.5 = 12/6

v = 11.0V