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Correct Answer: (C)
combination of armature control method and field control method
Explanation: ward leonard method is the combination of armature control method and field control method, which can also be called as voltage control method. this is the most efficient method of speed control over wide range.
Explanation by: Mr. Dubey
ward leonard method is the combination of armature control method and field control method, which can also be called as voltage control method. this is the most efficient method of speed control over wide range.
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