Many people believe that wind should replace oil and coal as a source of energy for producing electricity. The structures in the picture are windmills with blades that are rotated by the wind. These rotations cause electricity to be produced by generators that are turned by the windmills. (Non MCQ) QUESTIONS 1. The graphs below show the average wind speeds in four different places throughout a year. Which one of the graphs indicates the most appropriate place to establish a wind farm for generating electricity? 2. The stronger the wind, the faster the windmill blades rotate and the greater the electric power output. However, there is not a direct relationship between wind speed and electric power in a real setting. Below are four working conditions of electricity generation in a real wind farm. The windmill blades start rotating when the wind speed reaches V1. The electric power output reaches a maximum (W) when the wind speed is V2. For safety reasons, the blades are prevented from rotating faster than they do when the wind speed is V2. The blades stop rotating when the wind speed reaches V3. Which one of the following graphs best represents the relationship between wind speed and electric power output under these working conditions?
Many people believe that wind should replace oil and coal as a source of energy for producing electricity. The structures in the picture are windmills with blades that are rotated by the wind. These rotations cause electricity to be produced by generators that are turned by the windmills.
(Non MCQ) QUESTIONS
1. The graphs below show the average wind speeds in four different places throughout a year. Which one of the graphs indicates the most appropriate place to establish a wind farm for generating electricity?
2. The stronger the wind, the faster the windmill blades rotate and the greater the electric power output. However, there is not a direct relationship between wind speed and electric power in a real setting. Below are four working conditions of electricity generation in a real wind farm.
The windmill blades start rotating when the wind speed reaches V1. The electric power output reaches a maximum (W) when the wind speed is V2.
For safety reasons, the blades are prevented from rotating faster than they do when the wind speed is V2. The blades stop rotating when the wind speed reaches V3. Which one of the following graphs best represents the relationship between wind speed and electric power output under these working conditions?
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