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For the circuit shown, with R 1 = 1.0 Ω , R 2 = 2.0 Ω , E 1 = 2V and E 2 = E 3 = 4V, the potential difference between the points ‘a’ and ‘b’ is approximately (in V) - R 1 R 1 R 2 a b E 2 E 1 R 1 E 3 R 1

1. 3.7
2. 2.7
3. 2.3
4. 3.3

Correct answer: 3.3

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