A Solar Cell Has a Light-Gathering Area of 10 Cm²

question 89

Multiple Choice

A solar cell has a light-gathering area of 10 cm² and produces 0.20 A at 0.80 V (dc) when illuminated with sunlight of intensity 1 000 W/m².What is the efficiency of the solar cell?

• A)16%
• B)7%
• C)23%
• D)4%

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