A radio is operated by eight cells each of e.m.f. 2.0V connected in series. If two of the cells are wrongly connected, the net e.m.f. of the radio is
-
A.
8V -
B.
10V -
C.
12V -
D.
16V
Correct Answer: Option C
Explanation
Net e.m.f = (8 x 2) – (2 x 2)
= 12V