Efficiency is a measure of how much work or energy is conserved in a process.
Energy efficiency calculations worksheet gcse.
η efficiency greek letter eta.
Energy is a key principle in physics as it allows work to be done.
The rate at which energy is transferred is called power and the amount of energy that is usefully transferred is called efficiency.
Suitable for ha year 9s or gcse students.
A perfect process would have an efficiency of 100.
In many processes work or energy is lost for example as waste heat or vibration.
A simple worksheet for pupils to do in class or at home.
The efficiency is the energy output divided by the energy input and expressed as a percentage.
Part of the aqa p1 3 syllabus.
Also links in with other areas of p1 3 other than energy efficiency.
Worksheet on calculations using the efficiency equation.
Modern energy saving lamps.