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How much efficiency would a solar panel of surface
area A = 2 m² need to have to generate 1.7 kWh of
electricity in a region where the solar power density
is 4.5 kWh/m2/day? Write the efficiency in decimal
value rounded off to 2 decimal places, not as a
percentage. For instance you would write 0.25 and
not 25%.

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