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

question 20

Multiple Choice

A solar cell has a light-gathering area of 10 cm² and produces 0.2 A at 0.8 V (DC) when illuminated with S = 1 000 W/m² sunlight. What is the efficiency of the solar cell?

• A) 16%
• B) 7%
• C) 23%
• D) 4%
• E) 32%

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Definitions:

Transverse Section

A transverse section refers to a cut made along a plane that divides the body or organ horizontally into upper and lower parts.

Superior Vena Cava

A big vein that transports blood lacking oxygen from the body's upper section to the right atrium of the heart.

Pulmonary Artery

The blood vessel that transports blood from the heart's right ventricle to the lungs to receive oxygen.

Pulmonary Vein

A vein that carries oxygenated blood from the lungs back to the left atrium of the heart.