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What type of excitation is given to the rotor winding of a synchronous motor? 

(A) DC supply at 100 -250 V (B) AC supply at 400 V (C) Revolving field (D) Induction from stator currents 

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1 Answer

answered by Saqib Hayat
Dc supply of 100 to 250v is applied on the field circuit to make stable magnetic field which thens follow the rotating magnetic feild of stator or armature circuit.

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