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2. How to change speed of dc motor
3. The main purpose of interfacing with 8051 is________
4.Which controller is used to interface 8051 with dc motor
6. How many poles dc motor contains?
6. Specifications dc motor driver circuit
7. What is four quadrant dc-motor?
8. Applications of dc motors
9.Types of dc motor
10. based on__________ rule dc-motor
11. Brushless dc –motor is_________
12. Stepper motor which is used to inter facing of 8051, which takes________ steps for one ration(360’)
13. For one step how much of angle the stepper motor will rotates
14. ___________ are the types of stepper motor
16. To rotate 90 degree’s how steps are required
16. ____________ is the driver circuit of stepper motor
17. Working modes of Uni- Polar stepper motor
18. Specifications of interfacing driver of stepper motor with 8051
19. Advantages of stepper motor
20. Applications of stepper motor