1. CONTROLING ELECTRICAL CURRENT: TRANSFORMERS

2. X-RAY CIRCUIT

3. TRANSFORMERS

4. MUTUAL INDUCTION TRANSFORMERS

5. MUTUAL INDUCTION

6. TYPES OF TRANSFORMERS: AIR CORE OPEN CORE CLOSED CORE SHELL TYPE

7. AIR CORE TRANSFORMER

8. OPEN CORE TRANSFORMER

9. CLOSED CORE TRANSFORMER

10. SHELL TRANSFORMER

11. TRANSFORMERS STEP-UP---- V I STEP-DOWN---V I

12. STEP-DOWN

14. STEP-UP

15. TRANSFORMER LAW

16. TRANSFORMER LOSSES COPPER LOSS ( I 2 R) HYSTERESIS LOSS EDDY CURRENT LOSS

17. REDUCING COPPER LOSS HIGH VOLTAGE

18. REDUCING HEAT IN TRANSFORMER

19. HYSTERESIS LOSS MAGNETIC LAG MINIMIZED BY USING SILICON IRON

20. EDDY CURRENT LOSS

21. EDDY CURRENTS

23. AUTOTRANSFORMER SELF-INDUCTION

24. POLE TRANSFORMER

25. AUTOTRANSFORMER ( VARIAC) KVP SELECTOR

26. AUTOTRANSFORMER PRIMARY OF STEP-UP

27. AUTOTRANSFORMER (UP)

28. AUTOTRANSFORMER (DOWN)

29. 3 PHASE TRANSFORMER

30. TRANSFORMER LAW Vs = Ns Vp Np

31. % EFFICIENCY OF THE TRANSFORMER %EFFICIENCY = P out. / P inp. x 100%

32. THE EXPERIENCE OF LIFE ITSELF IS THE REAL TEST……….FOR ANY …..PROFESSION. W.K. RONTGEN