[translate] aCreate a FREE Extrabux account: 正在翻译,请等待... [translate] a100% efficiency for using electricity in your house to produce heat is a common marketing ploy by electric utility companies. 100%效率用于电您的房子导致热是一种共同的营销会话策略由电业公司。 [translate] ...
Economy mode operation.The first law of thermodynamics, conservation of energy, states that energy can be neither created nor destroyed. No electrical or mechanical device is 100% efficient, so every conversion incurs a loss, which escapes as heat. ...
In an internal combustion engine for example, temperatures in the order of 600-900°C are generated while the engine is in operation; this heat needs to be contained from the rest of the other temperature-sensitive components ...
Heat pumps. These are up to 4.5 times more efficient than gas furnaces and boilers. Hydrogen.Hydrogen offers deep decarbonization for hard-to-abate sectors, such as steel, cement, and chemicals, which currently account for about 20 percent of global emissions. ...
It is not a coincidence that mechanical systems also generate heat - don’t put your hand on a lit incandescent bulb, or you will directly experience the energy conversion to heat. Electrical power is just an extension of the basic physics of power in general. Conventionally electric power is...
They can function sufficiently in mild climates, but they cannot provide enough heat where temperatures typically drop below freezing (32F). This is where aux heat comes in. Aux heat is a set of radiant heat strips that use electric resistance heating (ERH), which means that most of the ...
百度试题 结果1 题目The heat produced is equal to the ___energy wasted. (electric) 相关知识点: 试题来源: 解析 electrical 根据句子意思和结构,考查形容词做定语的运用。反馈 收藏
radiating, from the conductor. The installation also has an important bearing on the current rating of a cable; any installation where the heat generated cannot freely radiate away from the cable, such as cable in conduit or cables under thermal insulation in attics, must be derated accordingly...
Excellent question; it’s essentially a property of materials describing their ability to become electrically polarized in the presence of an applied electric field, through any of a number of mechanisms. These mechanisms might be at an atomic level, where the cloud of electrons surrounding the ...
In ourvoltage tutorialwe discussed how voltage seems to behave like a pushing force, that pushes electrons from atom to atom through a wire creating an electric circuit. It turns out that this process is not 100% efficient! The atoms in a copper wire are always vibrating around just a small...