Power can be calculated from different equations, you need to learn four for your GCSE physics paper. This video also goes through how to calculate efficiency.
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⏱️TIMESTAMPS:
0:00 – Previously on Physicsball Z
0:57 – Retrieval questions
1:40 – Science prefixes & standard form
3:02 – How to convert kilojoules into joules
4:01 – What is the equation for power?
6:28 – GCSE Past paper questions on Power, Energy, Time
8:15 – Quick check questions on Power, Current, Potential difference
9:01 – Power, Current, Resistance equation
10:50 – What is efficiency?
13:01 – GCSE Past Paper Questions on Efficiency
15:57 – Lesson done!
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