GCSE Physics Revision "Efficiency" скачать в хорошем качестве

GCSE Physics Revision "Efficiency"

For thousands of questions and detailed answers, check out our GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Don... Great deals on workbooks for schools https://www.freesciencelessons.co.uk/... In this video, we look at what is meant by efficiency of energy transfer. We learn to calculate efficiency and then I show you the most common mistake that students make in this calculation. Finally, we explore ways to increase the efficiency of energy transfer. This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Physics. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks. Image credits: https://creativecommons.org/licenses/... Incandescent light bulb "de:Benutzer:KMJ https://commons.wikimedia.org/wiki/Fi..." LED light bulb "Mcapdevila https://en.wikipedia.org/wiki/File:60..."