Question text
29 The diagram shows a battery of three 1.5V cells. What is an advantage of this arrangement of cells? A The battery can supply a current for a longer time than a single 1.5V cell. B The battery can supply any e.m.f. between 0V and 4.5V. C The battery supplies more energy to each coulomb of charge than a single 1.5V cell. D The e.m.f. of the battery is 4.5V.
29 The diagram shows a battery of three 1.5V cells.
What is an advantage of this arrangement of cells?
A The battery can supply a current for a longer time than a single 1.5V cell.
B The battery can supply any e.m.f. between 0V and 4.5V.
C The battery supplies more energy to each coulomb of charge than a single 1.5V cell.
D The e.m.f. of the battery is 4.5V.
Select your answer: