A Solar Cell Has a Light-Gathering Area of 12 Cm²

question 66

Multiple Choice

A solar cell has a light-gathering area of 12 cm² and produces 0.33 A at 0.67 V (dc) when illuminated with sunlight of intensity 858 W/m².What is the efficiency of the solar cell?

• A) 21%
• B) 1.8%
• C) 31%
• D) 2%
• E) ​47%

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