A Very Large Wind Turbine Is Used to Extract Power

question 61

Multiple Choice

A very large wind turbine is used to extract power from the wind.The turbine has a diameter of 120 meters.What is the maximum power this turbine can extract from the wind.Assume a wind speed of 10 m/s and the density of air is 1.2 kg/m³.

• A)4.02 MW
• B)7.52 MW
• C)3.40 MW
• D)6.80 MW

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Definitions:

Electrocardiogram

A test that records the electrical activity of the heart over a period of time, used to detect heart abnormalities.

Electrical Impulses

Quick bursts of electricity generated by neurons to transmit signals within the body.

Deflections

Movements or shifts off a predetermined path or direction, often used in physical and engineering contexts.

SA Node

The sinoatrial node, a natural pacemaker of the heart that controls heartbeat rhythm.