Energy & Power

Energy & Power course

Welcome to the GCSE Physics Ninja Energy & Power course. These video lessons are based on question-and-answer flashcards.

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Energy, Work Done & Power Flashcards and Tutorials
Energy & Efficiency
1. Nine forms of energy
2. Sankey diagram and energy transfers
3. Energy transfer and forms🔒
4. Sun-Earth energy transfers
5. Energy transfers in machines
6. Energy efficiency of an appliance
7. Efficiency equations🔒
8. Efficiency of a light bulb calculation
9. Efficiency of an electric motor calculation
10. Gravitational potential energy equation
11. Gravitational potential energy calculation🔒
12. Kinetic energy equation
13. Kinetic energy calculation🔒
14. Maximum speed of a falling body calculation
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Work Done
15. What does Work Done mean?
16. Forces and energy transfers
17. Braking and work done🔒
18. Braking energy transfer examples
19. Springs and work done
19.1. Energy stored in a spring equation
19.2. Energy stored in a spring calculation🔒
20. Work done by a force equation
21. Playground slide calculation🔒
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Power & Cost Effectiveness
22. Power and energy
23. Power equation
24. Power calculation
25. Units of power🔒
26. Energy transferred equation
27. Energy transferred calculation🔒
28. Cost of electrical energy calculation
29. Electricity meter reading calculation
30. Cost-effectiveness of appliances🔒
31. Payback time
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Energy Resources
32. Renewable energy sources
33. Energy sources for power stations
34. Methods of generating electricity🔒
35. Sources of energy from the Sun
36. Electricity from the sun
37. Electricity from volcanic areas
38. Solar panels for heating buildings🔒
39. Advantages and disadvantages of energy resources
40. Electricity demand variation
41. Power station startup time
42. Small scale electricity generation🔒
43. Energy resources and the environment
44. Carbon dioxide
45. Electricity distribution
46. Overhead vs underground electricity cables🔒
47. Transformers and the national grid
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