electrical trade theory. S.O.S..!!!!!!!

HI MY PROBLEM IS THE FOLLOWING...

HOW WERE THE MAIN DIS ADVANTAGES OF A SHUNT AND SERIES MOTOR OVERCOME?...

COMPARE THE LOAD CHARACTERISTICS OF A SHUNT, SERIES AND COMPOUND WOUND MOTORS...

HOW DO THE FIELD WINDINGS OF A COMPOUND WOUND MOTOR DIFFER FROM THE FIELD WINDINGS OF A SHUNT AND SERIES WOUND MOTOR?..

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