ICSE BoardEnglish MediumSTD 9PHYSICSCurrent Electricity2 Marks
Question
Give an example to explain that the use of modem eco-friendly technology is more efficient and less polluting.
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Answer
Modern appliances like refrigerators make use of significantly less energy than older appliances as they have star rating according to their efficient use of electricity. Higher the star rating, higher is the efficiency.
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