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Fluorescent lamp, a device with negative differential resistance. [1] In operation, an increase in current through the fluorescent tube causes a drop in voltage across it. If the tube were connected directly to the power line, the falling tube voltage would cause more and more current to flow, causing it to arc flash and destroy itself.
Coldwater Creek (also Cold Water Creek) is a 19-mile tributary of the Missouri River in north St. Louis County in the U.S. state of Missouri. [1] It is known to be contaminated with radioactive wastes several miles upstream of its northern mouth.
Map of the Missouri River watershed The White River flowing into the Missouri River and coloring it with clay. Tributaries of the Missouri River, a major river in the central United States, are listed here in upstream order. These lists are arranged into river sections between cities or mouths of major tributaries for ease of navigation.
The Missouri River is a river in the Central and Mountain West regions of the United States.The nation's longest, [13] it rises in the eastern Centennial Mountains of the Bitterroot Range of the Rocky Mountains of southwestern Montana, then flows east and south for 2,341 miles (3,767 km) [6] before entering the Mississippi River north of St. Louis, Missouri.
Brianna LaPaglia's Sports Illustrated Swimsuit cover is full-circle.. Last year, Sports Illustrated asked the podcast host, 25, to host the red carpet at the 60th anniversary celebration of the ...
[1] [3] To prevent this, fluorescent tubes are connected to the power line through a ballast. The ballast adds positive impedance (AC resistance) to the circuit to counteract the negative resistance of the tube, limiting the current. [1] Several American magnetic ballasts for fluorescent lamps. The top is a rapid start series autoregulator ...
SHERMAN – Thursday marked Day 3 in the Texas search for an 8-year-old Oklahoma girl missing since she was swept away in raging waters on Christmas Eve. This followed a tragic incident on Tuesday ...
A French court found all 51 defendants guilty on Thursday in a mass rape case including Dominique Pelicot, who repeatedly drugged his then wife, Gisele, and allowed dozens of strangers into the ...