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A solar panel generates ${300}{J}$ of electrical energy for every ${1400}{J}$ of light energy. What is its efficiency?
in Grade 12 Physical Sciences by Diamond (40.1k points) | 20 views

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efficiency = output energy/input energy  x 100

              = 300/1 400 x 100

                = 21.43 % efficient.
by Silver Status (31.3k points)

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