When you start a program on the desktop by using a custom shortcut key, and the Start in box for the shortcut is blank, the program starts in the current working folder, which is usually the %SystemDrive%\Documents and Settings\. folder, instead of on the desktop.
Definition of 'megawatt hour'. Word Frequency. megawatt hour (ËmÉÉ¡ÉËwÉt aÊÉ) noun. a unit of energy equal to the work done by a power of a million watts in one hour. Electricity prices have fallen by 10% to Â£20.80 per megawatt hour over the past 12 months. Trends of 'megawatt hour'.
One watt hour is equivalent to 3,600 joules (1 J/s Ã 3600 s), thus a kilowatt hour is 3,600,000 joules or 3.6 megajoules, and a kilowatt refers to the specific rate at which the amount of joules is used in a second (also known as power).he amount of wattage times the amount of time is the amount of work done. It is not used in the International System of Units (SI). The SI unit of energy is the joule (J), equal to one watt second. The kilowatt hour is commonly used, though, especially for measuring electric energy.