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Grade 11 Unit 15 of Science Syllabus. Follow the lessons with easy to understand visual content. Sinhala medium science lessons for o/l exam in Sri Lanka. Subscribe our channel for science short notes , science for grade 10 , science for grade 11 , o/l exam 2020 science , science lessons in sinhala. This lesson is on Power and Energy of Electric Appliances. ( Power output of an electric appliance , Electric energy consumed by electric appliances , Efficiency of electric appliances and conserving power , Home electric circuits , Measuring electric energy in kilowatt hours , widyuth upakarana wala jawaya shamathawaya shakthiya gananaya kirim , p = vi , e= pt , e = vit )
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Learn O/L Science in Sinhala medium with this step by step video. Start it simple and easily. Lessons are planned , designed and carried out by the government school teacher, Anuradhika Lakmali. (Dip in Ed. BSc.)
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22 дек 2020
