In case of DC servomotor the back-emf is equivalent to an electric fr – McqOptions

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1.	In case of DC servomotor the back-emf is equivalent to an electric friction which tends to :
A.	tImprove stability of the motor
B.	tSlowly decrease stability of the motor
C.	tVary rapidly decrease stability of the motor
D.	tHave no effect on stability
Answer» B. tSlowly decrease stability of the motor

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