• Work, Power & Energy

  Classwork on Efficiency

  This is a Classwork Session on Efficiency.

  Formula for calculating Efficiency is explained, then you have to attempt the Classwork Questions given.

  Questions 46 to 57 are given, which are then explained at the end of the session.

  The exercise file section contains notes 

• Session 27: Classwork - Efficiency - Work, Power and Energy

  • Classwork - Efficiency
    • Introduction 4 mins
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      Demo video

      Introduction

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    • Question 46 3 mins
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      Demo video

      Question 46

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    • Questions 47 & 48 5 mins
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      Demo video

      Questions 47 & 48

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    • Questions 49 & 50 2 mins
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      Demo video

      Questions 49 & 50

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    • Questions 51 to 53 5 mins
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      Demo video

      Questions 51 to 53

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    • Questions 54 & 55 4 mins
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      Demo video

      Questions 54 & 55

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    • Questions 56 & 57 3 mins
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      Demo video

      Questions 56 & 57

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• Excercise Files

  • Efficiency - Work Power and Energy
    • Notes & Question Paper
    • Answers

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