In case of DC servomotor the back-emf is equivalent to an “electric friction” which tends to :

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answerhappygod
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In case of DC servomotor the back-emf is equivalent to an “electric friction” which tends to :

Post by answerhappygod »

a) Improve stability of the motor
b) Slowly decrease stability of the motor
c) Vary rapidly decrease stability of the motor
d) Have no effect on stability
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