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...ally made from copper, but other metals are used, notably [[aluminium]] in power lines. Although this article is limited to describing reflections on conduc ...phenomenon can also be made use of in such devices as [[stub (electronics)|stubs]] and [[quarter wave impedance transformer|impedance transformers]].

...responding signal source) to [[Maximum power transfer theorem|maximize the power transfer]] and/or minimize [[Signal reflection|reflections]] from the load. ...impedance ''Z''_S and load impedance ''Z''_L, maximum power transfer is obtained when