Essays Tagged: "Kilowatt hour"

Energy conservation in the home. A study on a typical suburban home electricity use. Lighting.

e is growing at a rapid rate and the impact on the global energy requirements is massive. For every Kilowatt-hour saved, 1.2kg less greenhouse gasses are produced. (Environmental Services Branch, 1993 ... the case of lighting, on the globe or tube itself. It identifies the energy rating in watts (W) or kilowatts (kW). What is a watt? Encyclopaedia Britannica describes a watt as: 'unit of power in the ...

(8 pages) 146 0 3.8 Nov/2003

Subjects: Science Essays > Mathematics

Describing the process of Electorlysis and how the number of coloumbs can verify the amount of current given off

energy in joules (J)Q = quantity of electricity in coulombs (C)V = voltage (or EMF) in volts (V)*1 kilowatt-hour, kWH, is a unit of electrical energy.1 kWH = 3.6 x 106 JExamples*Q = I x tCalculate th ... F of 4.5 V produces 1 kg of sodium metal by the electrolysis of Na+.Calculate the minimum number of kilowatt-hours of electricity needed to produce the sodium metal.Calculate the moles of electrons, n ...

(3 pages) 30 1 5.0 Jan/2004

Subjects: Science Essays

Economic Impact of Poor Power Quality on Industry

These losses can be as high asUS$ 81 million annually (0.65% of GDP) under a typical scenario (300 hours of plannedoutages) of imposing power interruptions such as those experienced during 2001. Also ... ue to unplanned outages can be as high as US$ 47 million (0.38% of GDP) ina typical year having 100 hours of unplanned outages. This is a significant economic lossespecially in comparison to the 4.5 % ...

(3 pages) 26 1 3.0 Jan/2006

Subjects: Social Science Essays > Economics

Alternatives To Oil Drilling

ffective power source. According to the American Wind Energy Association it can cost 5 cents to the Kilowatt hour. A bad thing about using wind turbines as a power source is that it requires a minimum ...

(1 pages) 13 0 0.0 Nov/2001

Subjects: Science Essays > Environmental Science


(3 pages) 3 0 0.0 Oct/2014

Subjects: Science Essays > Physics