alleryThree 1.5 V cells are joined in series. What is the battery voltage?
A1.5 V
B3 V
C0.5 V
D4.5 V
Answer & Solution
Correct answer: D. 4.5 V
1. Cells in series give a voltage equal to the sum of the cell voltages.
2. 1.5 + 1.5 + 1.5 = 4.5 V.
3. 1.5 V would be one cell, and 3 V only two cells.
_Source: Wikipedia, Series and parallel circuits, Cells and batteries_
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