- power theorem
- power theorem Leistungstheorem n
English-German dictionary of Electrical Engineering and Electronics. 2013.
power theorem
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Maximum power theorem — In electrical engineering, the maximum power (transfer) theorem states that, to obtain maximum external power from a source with a finite internal resistance, the resistance of the load must be made the same as that of the source. It is claimed… … Wikipedia
Power of a point — Figure 1. Illustration of the power of point P in the circle centered on the point O. The distance s is shown in orange, the radius r is shown in blue, and the tangent line segment PT is shown in red. In elementary plane geometry, the power of a… … Wikipedia
Power gain — The power gain of an electrical network is the ratio of an output power to an input power. Unlike other signal gains, such as voltage and current gain, power gain may be ambiguous as the meaning of terms input power and output power is not always … Wikipedia
Theorem — The Pythagorean theorem has at least 370 known proofs[1] In mathematics, a theorem is a statement that has been proven on the basis of previously established statements, such as other theorems, and previously accepted statements … Wikipedia
Power sum symmetric polynomial — In mathematics, specifically in commutative algebra, the power sum symmetric polynomials are a type of basic building block for symmetric polynomials, in the sense that every symmetric polynomial with rational coefficients can be expressed as a… … Wikipedia
Power set — In mathematics, given a set S , the power set (or powerset) of S , written mathcal{P}(S), P ( S ), or 2 S , is the set of all subsets of S . In axiomatic set theory (as developed e.g. in the ZFC axioms), the existence of the power set of any set… … Wikipedia
Power series — In mathematics, a power series (in one variable) is an infinite series of the form:f(x) = sum {n=0}^infty a n left( x c ight)^n = a 0 + a 1 (x c)^1 + a 2 (x c)^2 + a 3 (x c)^3 + cdotswhere an represents the coefficient of the n th term, c is a… … Wikipedia
Power rules — This article concerns power rules for computing the derivative in calculusIn mathematics, the power rule is a method for differentiating expressions involving exponentiation (the power operation). The most basic such rule is the elementary power… … Wikipedia
Power center (geometry) — The radical center (orange point) is the center of the unique circle (also orange) that intersects three given circles at right angles. In geometry, the power center of three circles, also called the radical center, is the intersection point of… … Wikipedia
power set — The power set of a set S is the set of all subsets of S. See also Cantor s theorem … Philosophy dictionary
Maximum power transfer theorem — In electrical engineering, the maximum power transfer theorem states that, to obtain maximum external power from a source with a finite internal resistance, the resistance of the load must be equal to the resistance of the source as viewed from… … Wikipedia
