Energy is a key principle in physics as it allows work to be done.
Energy efficiency calculations worksheet gcse.
Worksheet on calculations using the efficiency equation.
The efficiency can be calculated as a decimal or a percentage.
Also links in with other areas of p1 3 other than energy efficiency.
η efficiency greek letter eta.
A simple worksheet for pupils to do in class or at home.
Suitable for ha year 9s or gcse students.
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.
Part of the aqa p1 3 syllabus.
Modern energy saving lamps.
Efficiency is a measure of how much work or energy is conserved in a process.
This gives them practice in energy efficiency calculations.