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Answer: b
Explanation: There are 3 machines considered in the calculation of the resistance steps.
They are starters for dc shunt motors, starters for dc series motors, starters for three
phase slip ring induction motor
Answer: b
Explanation: There are 3 machines considered in the calculation of the resistance steps. They are starters for dc shunt motors, starters for dc series motors, starters for three phase slip ring induction motor.