bar-type current transformer
41Distribution board — A fairly standard American circuit breaker panel manufactured by General Electric and using interchangeable circuit breakers A distribution board (or panelboard) is a component of an electricity supply system which divides an electrical power… …
42Piezoelectricity — is the ability of some materials (notably crystals and certain ceramics, including bone) to generate an electric potentialPrinciples of Instrumental Analysis. 6th Edition, 2007. Skoog, Holler, and Crouch. Chapter 1, Sec. 1C 4, Pg. 9.] in response …
43Induction hardening — is a form of heat treatment in which a metal part is heated by induction heating and then quenched. The quenched metal undergoes a martensitic transformation, increasing the hardness and brittleness of the part. Induction hardening is used to… …
44Radio transmitter design — In plate modulation systems the voltage delivered to the stage is changed. As the power output available is a function of the supply voltage, the output power is modulated. This can be done using a transformer to alter the anode (plate) voltage.… …
45Arsenic — Cet article possède un paronyme, voir : Ärsenik. Arsenic …
46Railway electrification in Great Britain — describes the past and present electrification systems used to supply traction current to railways and tramways in Great Britain with a chronological record of development, a list of lines using each system, and a history and a technical… …
47Clint Eastwood — Pour les articles homonymes, voir Eastwood. Clint Eastwood …
48March 2011 — was the third month of the current year. It began on a Tuesday and ended after 31 days on a Thursday. International holidays (See Holidays and observances, on sidebar at right, below) Portal:Current events This is an archived version of Wikipedia …
49SNCF Class BB 15000 — Infobox Locomotive name=SNCF BB15000 powertype=Electric electricsystem=25 kV AC tractionmotors=1.5kV DC traction motors controlled by thyristors caption=BB 15014 TEE Arzens livery at the Gare de l Est builddate=1971 ndash; 1978 builder=Alsthom… …
50Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
