Which of the following statements are true? I-If an alternating current is applied to a winding, an alternating field is produced. II-If a direct current is applied to a winding, a standing (constant) field is formed. III-Rotating field can be obtained using a single winding.
Which of the following statements are true? I-If an alternating current is applied to a winding, an alternating field is produced. II-If a direct current is applied to a winding, a standing (constant) field is formed. III-Rotating field can be obtained using a single winding.
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 18SQ
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Which of the following statements are true?
I-If an alternating current is applied to a winding, an alternating field is produced.
II-If a direct current is applied to a winding, a standing (constant) field is formed.
III-Rotating field can be obtained using a single winding.
IV-If a rotating motor is disconnected from the mains and voltage is applied to the windings, the motor brakes.
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