- Study guides, Class notes & Summaries

The unit used for measuring electrical power usage or production, equal to 1 Joule/second Correct Answers Watt The unit of electric force or "pressure" Correct Answers Work A substance in which all the electrons in the atoms of the substance are tightly bound. The electrons do not easily move from one atom to the next. It is very difficult to get current to flow through. Correct Answers Insulator A substance in which the outer electrons can move freely from one atom to the next. Curre...

A device used to measure wind speed that often incorporates wind direction as well Correct Answers Anemometer the theoretical limit of 59.3% of the available wind power that a rotor can capture. The theory is named for its German developer, Albert Betz Correct Answers Betz limit Devices that use centrifugal force to open or close hydraulic valves in response to rotor speed Correct Answers Centrifugal release unit An apparatus that converts mechanical energy into electrical energy, typic...