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How much is the energy available in the winds over the earth surface is estimated to be?

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in Energy Engineering by (91.0k points)
How much is the energy available in the winds over the earth surface is estimated to be?

(a) 2.9 X 120 MW

(b) 1.6 X 107 MW

(c) 1 MW

(d) 5MW

The question was asked in an online interview.

This key question is from Generation of Wind Energy in portion Wind Energy of Energy Engineering

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Correct answer is (b) 1.6 X 107 MW

Explanation: The energy available in the winds over the earth surface is estimated to be 1.6 X 107 MW which is almost the same as the present day energy consumption. Wind energy can be utilized to run wind mill which in turn, is used to drive the generators.

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