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The direction of rotation of a d.c. series motor can be reversed (a) By interchanging supply terminals (b) By interchanging field terminals (c) Either

The direction of rotation of a d.c. series motor can be reversed (a) By interchanging supply terminals (b) By interchanging field terminals (c) Either by interchanging supply terminals or by interchanging field terminals supply terminals as well as (d) By interchanging field terminals

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