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The torque-speed characteristic of a DC motor describes the relationship between the torque produced by the motor and its rotational speed. It is an important performance curve used in Electrical and Electronic Sciences to understand motor behavior under varying load conditions. Different types of DC motors exhibit different torque-speed characteristics due to variations in their field and armature connections. In a DC shunt motor, the field winding is connected in parallel with the armature winding, which provides nearly constant field flux. As a result, the torque is directly proportional to the armature current, and the speed remains almost constant even when the load torque changes. The torque-speed curve of a DC shunt motor is slightly drooping, indicating a small decrease in speed with increase _________ ___ _______ ______ ________ ___ ______ ____ _______ _____ _______ ________.
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