Listen and answer N° 4 on wind turbines
The following questions are guide lines for your exposé on . Feel free to use them in whatever order you want.
+ Give the name of the top part of the wind turbine.
+ The wind turbine is composed of a propeller. What are the elements of the propeller which makes it ?
+ Give the name of the instrument which measures wind speed.
+ What energy is used to drive the propeller ?
+ What energy is given to the generator ?
+ The generator converts mechanical energy into what energy ?
+ What is inside the wind turbine which increases the voltage ?
+ What is the value of the voltage used at home ?
+ What do we need to transform high voltage into low voltage ?