Efficiency is a measure of how much useful energy is converted.
Energy efficiency calculations tes.
Energy is a key principle in physics as it allows work to be done.
In many processes work or energy is lost for example as waste heat or vibration.
The rate at which energy is transferred is called power and the amount of energy that is usefully transferred is called efficiency.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq.
Also links in with other areas of p1 3 other than energy efficiency.
Efficiency is a measure of how much work or energy is conserved in a process.
A simple worksheet for pupils to do in class or at home.
Start by looking over the light pollution and energy poster.
A power point and two activity sheets with cards for pupils to complete.
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Firstly on the conservation of energy with examples on the board and a worksheet to complete.
The efficiency of a device such as a lamp can be calculated.
η efficiency greek letter eta.
Then do the calculations on sides 1 and 2 of the mats.
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Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq.
Energy cannot be created or destroyed only converted from one form to another.
A perfect process would have an efficiency of 100.
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The efficiency is the energy output divided by the energy input and expressed as a percentage.
Efficiency useful energy out total energy in for a decimal efficiency or.
Part of the aqa p1 3 syllabus.
A simple worksheet for pupils to do in class or at home.
Energy calculation worksheet 1 the quality lighting teaching kit s energy calculation worksheet use the worksheet with the four energy calculation mat posters or in place of the energy calculation mat.
This website and its content is subject to our terms and conditions.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq.
These conversions can be shown in sankey diagrams.