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For example, in order to match an inductive load into a real impedance, a capacitor needs to be used. If the load impedance becomes capacitive, the matching element must be replaced by an inductor. In many cases, there is a need to use the same circuit to match a broad range of load impedance and thus simplify the circuit design.
A More Perfect Union (speech) " A More Perfect Union " [1] [2] is the title of a speech delivered by then- Senator Barack Obama on March 18, 2008, in the course of the contest for the 2008 Democratic Party presidential nomination. [2] Speaking before an audience at the National Constitution Center in Philadelphia, Pennsylvania, Obama was ...
The Gettysburg Address is a speech that U.S. President Abraham Lincoln delivered during the American Civil War at the dedication of the Soldiers' National Cemetery, now known as Gettysburg National Cemetery, in Gettysburg, Pennsylvania on the afternoon of November 19, 1863, four and a half months after the Union armies defeated Confederate forces in the Battle of Gettysburg, the Civil War's ...
Planning of the September 11 attacks. On the morning of September 11, 2001, 19 al-Qaeda terrorists hijacked four commercial passenger jet airliners, intentionally crashing two into the World Trade Center in New York City. The hijackers crashed a third airliner into the Pentagon. The fourth plane crashed in a field near Shanksville, Pennsylvania.
Author Danielle Bayard Jackson says the three concepts of support, symmetry and secrecy help women feel close and connected. - Shaniya Clarke. When we meet somebody new — a new woman — and she ...
Matchbook cover, World War II, Uncle Sam. A "matchcover", or "matchbook cover", is a thin cardboard covering that folds over match sticks in a "book" or "pack" of matches. Covers have been used as a form of advertising since 1894, two years after they were patented, and since then, have attracted people who enjoy the hobby of collecting.
11. The Spinanes. At a time when every other band on Sub Pop was loud and over-the-top, Portland’s the Spinanes made a smart, stylish sound with just Rebecca Gates singing and playing guitar in ...
The following outline is provided as an overview of and topical guide to society: Society – group of people sharing the same geographical or virtual territory and therefore subject to the same political authority and dominant cultural expectations. Such people share a distinctive culture and institutions, which characterize the patterns of ...