How Many Square Meters of Photovoltaic Cells Would Be Required

question 69

Multiple Choice

How many square meters of photovoltaic cells would be required to light a 60-W computer monitor? The efficiency of photovoltaic cells is 15% for converting 1000 W/m ² of solar energy to electricity.

• A) 0.40 m²
• B) 2.5 m²
• C) 14 m²
• D) 9 m²
• E) 400 m²

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Definitions:

Equation

A mathematical statement that asserts the equality of two expressions, represented by the symbol "=".

Luxury

Goods or services that are considered non-essential but desirable, often associated with high quality and high price.

Price Elastic

The responsiveness of the quantity demanded or supplied of a good to a change in its price. High elasticity means quantity changes significantly with price changes.

Necessity

A requirement or indispensability; something that cannot be done without.