[EMI] Changing Flux Linkage & Changing Area JC PHYSICS SITCOMS


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[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Area
[EMI] Changing Flux Linkage
[EMI] Changing Area
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage
[EMI] Changing Flux Linkage

Overview

1. [EMI] Changing Flux Linkage

Which graph shows the signal detected by the coil?

2. [EMI] Changing Flux Linkage

How can a falling magnet induce an e.m.f.?

3. [EMI] Changing Flux Linkage

Is the induced current constant or variable? Which direction does it flow?

4. [EMI] Changing Flux Linkage

A very confusing concept to master...

5. [EMI] Changing Flux Linkage

How does induced e.m.f. vary inside the rod?

6. [EMI] Changing Flux Linkage

Which end of the conductor is at higher potential?

7. [EMI] Changing Flux Linkage

Don't get confused about magnitude and direction!

8. [EMI] Changing Flux Linkage

Mr Sim lets his student explain concepts to the whole class!

9. [EMI] Changing Flux Linkage

True or false?

10. [EMI] Changing Flux Linkage

Student demonstration again!

11. [EMI] Changing Flux Linkage

An aluminium rod cuts magnetic field lines as it spins in a circular motion!

12. [EMI] Changing Flux Linkage

What's the magnitude of induced e.m.f.? Be careful which side you are looking at!

13. [EMI] Changing Flux Linkage

Challenging question!

14. [EMI] Changing Flux Linkage

The toughest kind of question! Can you overcome it?

15. [EMI] Changing Flux Linkage

Faraday’s and Lenz’s law (Mindmap)

16. [EMI] Changing Flux Linkage

Induced current

17. [EMI] Changing Flux Linkage

Moving rod

18. [EMI] Changing Flux Linkage

Induced emf in moving rod

19. [EMI] Changing Flux Linkage

Potential in moving rod

20. [EMI] Changing Flux Linkage

Induced emf in Rotating disc

21. [EMI] Changing Flux Linkage

Emf in Rotating rod

22. [EMI] Changing Flux Linkage

How emf change with frequency change

23. [EMI] Changing Flux Linkage

Peak emf in rotating coil

24. [EMI] Changing Flux Linkage

Type 1 : Calculating induced emf due to changing B

25. [EMI] Changing Flux Linkage

Type 1 : Induced emf due to changing B (Graph)

26. [EMI] Changing Flux Linkage

Direction of Induced Current by Lenz’s law

27. [EMI] Changing Area

Type 2 : Changing Area - Which point is Higher Potential?

28. [EMI] Changing Flux Linkage

Combining Changing B to induce emf + direction of higher potential

29. [EMI] Changing Area

Type 2 : Changing Area

30. [EMI] Changing Flux Linkage

Moving Rod - inducing emf and power from Conservation of Energy

31. [EMI] Changing Flux Linkage

Power induced by external force

32. [EMI] Changing Flux Linkage

Transformer : Primary leads Secondary

33. [EMI] Changing Flux Linkage


34. [EMI] Changing Flux Linkage


35. [EMI] Changing Flux Linkage


36. [EMI] Changing Flux Linkage


37. [EMI] Changing Flux Linkage


38. [EMI] Changing Flux Linkage


39. [EMI] Changing Flux Linkage


40. [EMI] Changing Flux Linkage

EMI - changing B-field
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