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Electromagnetism. Static electricity is an imbalance of electric charges within or on the surface of a material. The charge remains until it can move away by an electric current or electrical discharge. The word "static" is used to differentiate it from current electricity, where an electric charge flows through an electrical conductor.
National Grid (Great Britain) The National Grid is the high-voltage electric power transmission network serving Great Britain, connecting power stations and major substations, and ensuring that electricity generated anywhere on the grid can be used to satisfy demand elsewhere. The network serves the majority of Great Britain and some of the ...
Renewables contributed 9 × 10 ^ 15 BTU (9.5 × 10 15 kJ) and nuclear power 8 × 10 ^ 15 BTU (8.4 × 10 15 kJ). [6] In the same year, about 4 million GWh of electricity were generated in the United States, 67% of which was generated from fossil fuels (coal, natural gas, and <1% petroleum), 20% from nuclear power, 6% hydropower and 7% other ...
URL. bbc.co.uk /bitesize. Launched. 1998. Current status. Active. BBC Bitesize, [1] also abbreviated to Bitesize, is the BBC 's free online study support resource for school-age pupils in the United Kingdom. It is designed to aid pupils in both schoolwork and, for older pupils, exams. [2]
Standby power. Standby power, also called vampire power[1], vampire draw, phantom load, ghost load, or leaking electricity, refers to how electronic and electrical appliances consume electric power. At the same time, they are switched off (but are designed to draw some power) or in standby mode. It only occurs because some devices claim to be ...
20 October 2011. (2011-10-20) Shock and Awe: The Story of Electricity is a British television series outlining aspects of the history of electricity. The series was a co-production between the Open University and the BBC and aired from 6 to 20 October 2011 on BBC Four. The programs were presented by Jim Al-Khalili.
In 2014, 28.1 TW·h of energy was generated by wind power, which contributed 9.3% of the UK's electricity requirement. [14] In 2015, 40.4 TW·h of energy was generated by wind power, and the quarterly generation record was set in the three-month period from October to December 2015, with 13% of the nation's electricity demand met by wind. [ 15 ]
t. e. Power is the amount of energy transferred or converted per unit time. In the International System of Units, the unit of power is the watt, equal to one joule per second. Power is a scalar quantity. Specifying power in particular systems may require attention to other quantities; for example, the power involved in moving a ground vehicle ...