Six similar bulbs are connected as shown in the figure with a DC source of emf E and zero internal resistance. The ratio of power consumption by the bulbs when (i) all are glowing and (ii) in the situation when two from section A and one from section B are glowing, will be :

1. A. 2 : 1
2. B. 4 : 9
3. C. 9 : 4
4. D. 1 : 2

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