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Or if the current is forced to some value I, then the measured voltage V divided by that current I is also R. Since the plot of I versus V is a straight line, then it is also true that for any set of two different voltages V 1 and V 2 applied across a given device of resistance R , producing currents I 1 = V 1 / R and I 2 = V 2 / R , that the ...
Decimal fractions like 0.3 and 25.12 are a special type of rational numbers since their denominator is a power of 10. For instance, 0.3 is equal to , and 25.12 is equal to . [20] Every rational number corresponds to a finite or a repeating decimal. [21] [c]
The treatise also provides values of π, [107] which Chinese mathematicians originally approximated as 3 until Liu Xin (d. 23 AD) provided a figure of 3.1457 and subsequently Zhang Heng (78–139) approximated pi as 3.1724, [114] as well as 3.162 by taking the square root of 10.
California (/ ˌ k æ l ɪ ˈ f ɔːr n j ə /) is a state in the Western region of the United States that lies on the Pacific Coast.It borders Oregon to the north, Nevada and Arizona to the east, and shares an international border with the Mexican state of Baja California to the south.
[39] [40] Six of them, from 217 to 222 inclusive, occur naturally. The most stable isotope is 222 Rn (half-life 3.82 days), which is a decay product of 226 Ra, the latter being itself a decay product of 238 U. [41] A trace amount of the (highly unstable) isotope 218 Rn (half-life about 35 milliseconds) is also among the daughters of 222 Rn.
For power contracts made in the year 2014, the average price of wind power fell to 2.5¢/kWh. [42] The capacity factor is the ratio of power actually produced divided by the nameplate capacity of the turbines. The overall average capacity factor for wind generation in the US increased from 31.7% in 2008, to 32.3% in 2013.
The support for Lepper's organisation in the Koszaliński district reached 23%; over 15% was recorded in the Sieradz, Chełm and Piotrków districts. Samoobrona still had weak support in big cities: in Warsaw it received 3%, in the Poznań district 5%, and in the districts of Gdańsk, Gliwice and Katowice - 6% each.