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Two Electric Lamps Each Rating 100 W, 110 V Are Connected in Series to a 220 V Power Supply and Two Other Electric Lamps Each of Marking 100 W

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प्रश्न

Two electric lamps each rating 100 W, 110 V are connected in series to a 220 V power supply and two other electric lamps each of marking 100 W, 220 V are connected in parallel to the same power supply. Will anyone of the two combinations give more light than the other? Give a reason for your answer.

एक पंक्ति में उत्तर
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उत्तर

Both combinations will give the same light.
Reason: Each combination has the same power namely 200 W.

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