The Speed of a Two-Speed Electromagnetic Field Type Wiper Motor

question 33

Multiple Choice

The speed of a two-speed electromagnetic field type wiper motor is controlled by ______.

• A) a stepped resistor between the wiper switch and the motor power terminal
• B) additional brushes that increase the strength of the magnetic field in the armature
• C) series and shunt field windings that increase the strength of the magnetic field
• D) all answers are correct

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