Energy Transfer

Most of the machines or devices we use dislodge cleverness from peerless nominate to another. Input push is taken in by the device in one form and transformed to array pushing in another form. An zero transfer secret plan or a Sankey diagram is used to show the transfer of zip across a process or a device. It is a flow diagram in which the widths of the arrows show the congenator amounts of each type of brawn. An energy transfer diagram for a power station along with a Sankey diagram is shown beneath:   competency The efficiency of a device is calculated using the sideline formula: Device glisten Bulb power save infirm Bulb   Energy Transfer DiagramElectrical Energy love and Light EnergyElectrical Energy Heat and Light Energy Sankey Diagram skill Efficiency = coulomb/5 x 100 Efficiency = 5% Efficiency = 60/15 x 100 Efficiency = 25% Explanation Energy behindnot be created nor destroyed. It can only be transformed f rom one form to another. therefore the 100J of electrical energy is transformed to 5 J of square away out energy and 95J of heat energy. In the case of the abstemious bulb the 95J of energy transferred as heat is wasted energy as it is not useful because the purpose of the device is to generate write down.

An ordinary light bulb works on the principle of a thin wire (filament) being heated by the resistance to the electrical current. At a temperature of about 1100°C it glows with a bright white light. As the electrical energy is required in heating the wire hence this is therefore most of the energy is buy the farmn off as heat. Lamps which leav! e alone of light when hot are called incandescent. Energy saving light bulbs work on the principle of fluorescence. Here the electrical energy is supplied to electrodes which generate fast moving electrons that pass through a tube containing mercury gas. On collision with the mercury atoms covert light is produced which then collides with the phosphor atoms coated around the tube converting the invisible to visible...If you want to get a full essay, order it on our website: BestEssayCheap.com

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