Correct Answer - Option 3 : 1.5°
Concept:
Step angle of the hybrid stepper motor is given by
\(β = {{(N_s -N_r)× 360°} \over (N_s× N_r)}\)
Where Ns = Number of stator teeth
Nr = Number of rotor teeth
Calculation:
Given that, Nr = 60
Ns = 8 × 6 = 48
∴ stepping angle can be calculated as
\(β = {{(60 -48)× 360°} \over (60× 48)}\)
β = 1.5°