Calculate the e.m.f of the cell in the above circuit if its internal resistance is negligible
Attached Figure / Diagram
A
12 V
B
8 V
C
2 V
D
36 V
Verified Correct Answer: B.
Physical Principles & Numerical Solution
1/R = 1/R1 + 1/R2 = 1/3 + 1/6
= 3/6
∴ R = 6/3 = 2
E = I(R + r) = 4(2 + 0) = 8v
Source: WAEC / JAMB / NECO Classroom Archive (Record #14504)