What is polarity in a transformer?

Related questions

1. What is the principle of transformer?
2. What is Ohm's law used for?
3. Why do we check polarity of transformer?
4. What is the ratio of transformer?
5. What is self inductance formula?
6. What is unit of self inductance?
7. What is the working principle of a transformer?
8. Why dyn11 is used in transformer?
9. What is the EMF equation of a transformer?
10. Why inductor blocks AC and pass DC?

Tags

1. #volts
2. #below
3. #additive
4. #obtained
5. #phase
6. #winding
7. #connected
8. #transformers
9. #voltage
10. #relation
11. #instantaneous
12. #secondary
13. #normally
14. #polarity
15. #single
16. #primary