M

Mr. Dubey • 52.30K Points
Coach 

Q. An electric motor is having constant output power. So, motor will have a torque speed characteristic

(A) circle about the origin.
(B) straight line parallel to the speed axis.
(C) straight line through the origin.
(D) rectangular hyperbola
Correct : Option (D)

Explanation: 
 in case of dc motor for the constant output power, ea×ia = t×ω. as t×ω

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