A Solar Panel Measures 80 Cm × 50 Cm

question 7

Multiple Choice

A solar panel measures 80 cm × 50 cm.In direct sunlight,the panel delivers 4.8 A at 15 V.If the intensity of sunlight is 1000 W/m²,what is the efficiency of the solar panel in converting solar energy into electrical energy?

• A) 12%
• B) 24%
• C) 18%
• D) 6.0%

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Definitions:

Nearest 0.01%

Rounding or approximating a numerical value to the closest hundredth of a percent.

Equivalent Interest

The equal effectiveness of different interest rates with respect to compounding periods over a specified period.

Nearest 0.01%

Rounding or approximating a numerical value to the closest one-hundredth of a percent.

Interest Rate

The percentage charged on a loan or paid on an investment for the use of money, calculated on an annual basis.