1.

A dc shunt motor operating in a linear region of magnetizing characteristics runs at 1500 rpm with a voltage rated over the entire portion of the armature in a linear region of magnetizing characteristics. If the applied voltage is reduced by 50%, what will be the speed of the motor?

A. 750 rpm
B. 2500 rpm
C. 3000 rpm
D. 1500 rpm
Answer» E.


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