GCSE Physics - Efficiency #8
Cognito
Published at : 14 Sep 2021
Published at : 14 Sep 2021
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In this video we cover:
- The idea that devices aren’t 100% efficient
- What efficiency is
- The equation for efficiency
- Examples of how to calculate efficiency
- Why some devices like electric heaters are sometimes considered to be 100% efficient
General info:
- Suitable for all GCSE and IGCSE courses
Exam board specific info:
AQA - Everything is relevant to your course!
IGCSE Edexcel - Everything is relevant to your course!
Edexcel - Everything is relevant to your course!
OCR 21st Century - Everything is relevant to your course!
OCR Gateway - Everything is relevant to your course!
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