Does an alternator need power to work?

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Tags

1. #which
2. #totally
3. #armature
4. #charge
5. #through
6. #produce
7. #itself
8. #magnets
9. #alternator
10. #current
11. #juice
12. #alternating
13. #electromagnets
14. #magnetic
15. #would
16. #battery
17. #electricity
18. #attached
19. #generates
20. #field