What does the dot mean on a transformer?

Related questions

1. Why inductor blocks AC and pass DC?
2. What is the purpose of inductor?
3. What is meant by self and mutual inductance?
4. How do you calculate mutual inductance of a transformer?
5. What does the dot on an inductor mean?
6. Do inductors have polarity?
7. What is the formula of mutual inductance?
8. What is the ratio of transformer?
9. What is the principle of transformer?
10. What is self inductance formula?

Tags

1. #polarity
2. #corresponding
3. #typically
4. #secondary
5. #schematic
6. #transformer
7. #primary
8. #placed
9. #windings
10. #leads
11. #called
12. #convention
13. #nothing
14. #diagram
15. #winding
16. #indicates
17. #labeling