what is the use of spst switch in performing experiment on self excited dc motor

what is the use of spst switch in performing experiment on self excited dc motor?

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what is the use of spst switch in performing experiment on self excited dc motor?..

Answer / k.prakashchandra

Field breaker

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what is the use of spst switch in performing experiment on self excited dc motor?..

Answer / pinky

plz clear ur answer....

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