1. DC MACHINES

2. FARADAY’S LAW OF ELECTRO MAGNETIC INDUCTION

3. Len’s Law The direction of induced emf is given by Lenz’s law According to this law, the induced emf will be acting in such a way so as to oppose the very cause of production of it. e = -N (dØ/dt) volts

4. Len’s Law

5. DC GENERATOR FLEMING’S RIGHT HAND RULE

6. DC MOTOR FLEMING’S LEFT HAND RULE

8. AC GENERATOR or ALTERNATOR

9. AC GENERATOR OPERATION

10. DC GENERATOR

11. DC GENERATOR OPERATION

12. DC GENERATOR CURRENT DIRECTION

13. DC GENERATOR CONSTRUCTION

14. YOKE

15. POLES or FIELD COILS

16. POLES or FIELD COLIS

18. ARMATURE COIL

20. ARMATURE WINDING

24. ARMATURE (LAP) WINDING

25. WINDINGS

26. COMMUTATOR

27. DC MACHINE

28. DC MACHINE OVERALL CONSTRUCTION

29. Brush rock and holder