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A \(100\ W\) bulb \(B_1\) and two \(60\ W\) bulb \(B_2\) and \(B_3\), are connected to a \(250\ V\) source, as shown in the figure. Now \(W_1\), \(W_2\) and \(W_3\) are the out put powers of the bulbs \(B_1\), \(B_2\) and \(B_3\) respectively. Then:
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