If light energy to electric energy conversion using solar cells is 12 % efficient, how many square miles of land must be covered with solar cells to supply the electrical energy for 350000 houses? Assume there is no cloud cover.

Complete Question

The light energy that falls on a square meter of ground over the course of a typical sunny day is about 20 MJ . The average rate of electric energy consumption in one house is 1.0 kW .

If light energy to electric energy conversion using solar cells is 12 % efficient, how many square miles of land must be covered with solar cells to supply the electrical energy for 350000 houses? Assume there is no cloud cover.

The area is  

Explanation:

From the question we are told that

      The efficiency is  12%

      The number of houses is  

       The light energy per day is

       The average rating of electric energy for a house is  

Generally the electric energy which the solar cells covering produces in a day is

Energy for required by one house for one day is  

Energy needed for 350000 house is

The area covered is mathematically represented as

what are the statements? x

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