Why PWM is used in DC motor?

Related questions

1. How is PWM generated?
2. What is the use of PWM pins in Arduino?
3. Can Arduino handle 9v?
4. How fast is Arduino PWM?
5. Why do we use PWM?
6. What is the advantage of Arduino?
7. Can I power Arduino with 9v battery?
8. How do I connect my Arduino Nano to power?
9. Can Arduino control motors?
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Tags

1. #using
2. #voltage
3. #modulation
4. #series
5. #regulate
6. #achieved
7. #attempt
8. #control
9. #rheostat
10. #motor
11. #large
12. #resistor
13. #variable
14. #speed
15. #shown
16. #amount
17. #terminals
18. #across
19. #width
20. #simple
21. #pulse
22. #people