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Armature reaction in a generator results in
  • a)
    Demagnetizing the center of all poles
  • b)
    Demagnetization of trailing pole tip and magnetization of leading pole tip
  • c)
    Demagnetization of leading pole tip and magnetization of trailing pole tip
  • d)
    Magnetizing the center of all poles
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Armature reaction in a generator results ina)Demagnetizing the center ...
Armature Reaction in a Generator

Armature reaction is the effect of armature flux on the main field flux in a generator. This effect is caused by the interaction of the magnetic fields of the rotor (armature) and the stator (field poles). The armature reaction can cause a shift in the position of the main magnetic field, and this can affect the performance of the generator.

Effect of Armature Reaction

The effect of armature reaction on the generator can be summarized as follows:

- Demagnetization of Leading Pole Tip: The leading pole tip is the pole tip that faces the direction of rotation of the rotor. The armature reaction can cause a demagnetization of the leading pole tip.
- Magnetization of Trailing Pole Tip: The trailing pole tip is the pole tip that faces away from the direction of rotation of the rotor. The armature reaction can cause a magnetization of the trailing pole tip.
- No Effect on Center of Poles: The armature reaction does not affect the center of the poles.

Correct Answer

Based on the above explanation, we can see that the correct answer is option 'C', which states that the armature reaction causes a demagnetization of the leading pole tip and a magnetization of the trailing pole tip.
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Armature reaction in a generator results ina)Demagnetizing the center of all polesb)Demagnetization of trailing pole tip and magnetization of leading pole tipc)Demagnetization of leading pole tip and magnetization of trailing pole tipd)Magnetizing the center of all polesCorrect answer is option 'C'. Can you explain this answer?
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Armature reaction in a generator results ina)Demagnetizing the center of all polesb)Demagnetization of trailing pole tip and magnetization of leading pole tipc)Demagnetization of leading pole tip and magnetization of trailing pole tipd)Magnetizing the center of all polesCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Armature reaction in a generator results ina)Demagnetizing the center of all polesb)Demagnetization of trailing pole tip and magnetization of leading pole tipc)Demagnetization of leading pole tip and magnetization of trailing pole tipd)Magnetizing the center of all polesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Armature reaction in a generator results ina)Demagnetizing the center of all polesb)Demagnetization of trailing pole tip and magnetization of leading pole tipc)Demagnetization of leading pole tip and magnetization of trailing pole tipd)Magnetizing the center of all polesCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Armature reaction in a generator results ina)Demagnetizing the center of all polesb)Demagnetization of trailing pole tip and magnetization of leading pole tipc)Demagnetization of leading pole tip and magnetization of trailing pole tipd)Magnetizing the center of all polesCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE). Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
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