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     EduGorilla 
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    What are the effects of inserting a series resistance in the field circuit of a dc shunt motor on its speed and torque for a constant supply voltage?

    Options :-

    1. Speed will decrease and the torque will also decrease
    2. Speed will increase and the torque will also increase
    3. Speed will increase and the torque will decrease
    4. Speed will decrease and the torque will increase
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