Energy Efficiency Calculations Worksheet Gcse

η efficiency greek letter eta. Energy is a key principle in physics as it allows work to be done. Worksheet on calculations using the efficiency equation.

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Part of the aqa p1 3 syllabus.

Energy efficiency calculations worksheet gcse.

Modern energy saving lamps. 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. The efficiency is the energy output divided by the energy input and expressed as a percentage.

The efficiency can be calculated as a decimal or a percentage. This gives them practice in energy efficiency calculations. Also links in with other areas of p1 3 other than energy efficiency. The efficiency of a device is the proportion of the energy supplied that is transferred in useful ways.

A simple worksheet for pupils to do in class or at home. Efficiency is a measure of how much work or energy is conserved in a process. Suitable for ha year 9s or gcse students. A perfect process would have an efficiency of 100.

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