fixed load
41Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …
42Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …
43Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
44Instruction set — An instruction set, or instruction set architecture (ISA), is the part of the computer architecture related to programming, including the native data types, instructions, registers, addressing modes, memory architecture, interrupt and exception… …
45Block and tackle — A block and tackle [ Tackle can be pronEng|ˈteɪkəl in this usage.] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads. TOC Overview Although used in many situations, they are… …
46Demand response — This article is about the electrical concept. For the transport concept, see Demand responsive transport. A clothes dryer using a demand response switch to reduce peak demand In electricity grids, demand response (DR) is similar to dynamic demand …
47solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
48Annuity (US financial products) — In the U.S. an annuity contract is created when an individual gives a life insurance company money which may grow on a tax deferred basis and then can be distributed back to the owner in several ways. The defining characteristic of all annuity… …
49physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
50Mutual fund — This article is about mutual funds in the United States. For other forms of mutual investment, see Collective investment scheme. A mutual fund is a professionally managed type of collective investment scheme that pools money from many investors… …
