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SERI was formed from a merger of the State Secretariat for Education and Research (SER, formerly part of the Federal Department of Home Affairs) and the Federal Office for Professional Education and Technology (OPET, formerly part of the Federal Department of Economic Affairs) on 20 December 2012, and it began its activities on 1 January 2013.
An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.
That is, τ is the time it takes V L to reach V( 1 / e ) and V R to reach V(1 − 1 / e ). The rate of change is a fractional 1 − 1 / e per τ . Thus, in going from t = Nτ to t = ( N + 1) τ , the voltage will have moved about 63% of the way from its level at t = Nτ toward its final value.
Martina Hirayama has been State Secretary for Education, Research and Innovation (SBFI) since 1 January 2019. In this role, she is the head of 280 employees and is responsible for an annual budget of CHF 4.5 billion. [7] Martina Hirayama has held dual German-Swiss citizenship since 2009. In 2019, Martina Hirayama took part in the Bilderberg ...
Antique induction coil used in schools from around 1900, Bremerhaven, Germany. An induction coil or "spark coil" (archaically known as an inductorium or Ruhmkorff coil [1] after Heinrich Rühmkorff) is a type of transformer [2] [3] [4] used to produce high-voltage pulses from a low-voltage direct current (DC) supply.
This is a list of buildings and infrastructures above 3,000 metres (9,843 ft) in Switzerland. As this height approximately corresponds to the level of the climatic snow line in the Alps , infrastructures located above it are generally subject to harsh weather conditions and are more difficult to build.
The following is a complete list of all 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge railway companies which operate routes on Swiss territory. It also includes routes of foreign railway companies (e.g. Deutsche Bahn), but not routes of Swiss companies in neighbouring countries.
The following page lists power stations in Switzerland. For traction current see List of installations for 15 kV AC railway electrification in Germany, Austria and Switzerland . Hydroelectric