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A stepping motor has four concentric coils on its 4-pole stator. It has an unwound variable reluctance motor with 5 teeth. The step angle for this motor is
  • a)
    36°
  • b)
    18°
  • c)
  • d)
    72°
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A stepping motor has four concentric coils on its 4-pole stator. It ha...
Step size/angle,

Given,
Nr = Number of rotor teeths = 5
m = Number of phase/stacks = 4
∴ 
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Most Upvoted Answer
A stepping motor has four concentric coils on its 4-pole stator. It ha...
The step angle for this motor can be calculated using the formula:

Step angle = 360 degrees / (number of teeth * number of coils)

Step angle = 360 degrees / (5 teeth * 4 coils)

Step angle = 360 degrees / 20

Step angle = 18 degrees

So, the step angle for this motor is 18 degrees.
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