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A battery of three 2 V cells is connected in series with a 5 ohm, an 8 ohm, and a 12 ohm resistor, all in series. The total EMF of the battery is:

Question
A battery of three 2 V cells is connected in series with a 5 ohm, an 8 ohm, and a 12 ohm resistor, all in series. The total EMF of the battery is:
2 V
4 V
6 V
10 V
Answer
6 V
Detailed Explanation
Three 2 V cells in series give a total EMF of 2 + 2 + 2 = 6 V.
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