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(A): Soft magnetic materials cannot be used for the construction of cores for the electrical machines.
(R): Soft magnetic materials have relatively small and narrow hysteresis loop.
  • a)
    Both A and R are true and R is a correct explanation of A
  • b)
    Both A and R are true but R is not a correct explanation of A
  • c)
    A is true but R is false
  • d)
    R is false but R is true
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
(A): Soft magnetic materials cannot be used for the construction of co...
Statement A: Soft magnetic materials cannot be used for the construction of cores for electrical machines - This statement is false. Soft magnetic materials are commonly used for constructing cores in electrical machines. Soft magnetic materials, such as iron alloys, are preferred for their high magnetic permeability and low coercive field, which make them efficient for conducting magnetic flux in electrical machines.
Statement R: Soft magnetic materials have relatively small and narrow hysteresis loop - This statement is false. Soft magnetic materials are known for having large and wide hysteresis loops. A hysteresis loop represents the relationship between the magnetic field strength and the magnetic flux density of a material. Soft magnetic materials are designed to have a wide hysteresis loop, which indicates that they can magnetize and demagnetize easily. This property allows them to efficiently alternate between magnetization states in electrical machines.
Therefore, while Statement A is false, Statement R is also false. Soft magnetic materials can indeed be used for constructing cores in electrical machines, and they exhibit relatively large and wide hysteresis loops. Hence, the correct answer is (D) R is false but A is true.
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(A): Soft magnetic materials cannot be used for the construction of cores for the electrical machines.(R): Soft magnetic materials have relatively small and narrow hysteresis loop.a)Both A and R are true and R is a correct explanation of Ab)Both A and R are true but R is not a correct explanation of Ac)A is true but R is falsed)R is false but R is trueCorrect answer is option 'D'. Can you explain this answer?
Question Description
(A): Soft magnetic materials cannot be used for the construction of cores for the electrical machines.(R): Soft magnetic materials have relatively small and narrow hysteresis loop.a)Both A and R are true and R is a correct explanation of Ab)Both A and R are true but R is not a correct explanation of Ac)A is true but R is falsed)R is false but R is trueCorrect answer is option 'D'. 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 (A): Soft magnetic materials cannot be used for the construction of cores for the electrical machines.(R): Soft magnetic materials have relatively small and narrow hysteresis loop.a)Both A and R are true and R is a correct explanation of Ab)Both A and R are true but R is not a correct explanation of Ac)A is true but R is falsed)R is false but R is trueCorrect answer is option 'D'. 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 (A): Soft magnetic materials cannot be used for the construction of cores for the electrical machines.(R): Soft magnetic materials have relatively small and narrow hysteresis loop.a)Both A and R are true and R is a correct explanation of Ab)Both A and R are true but R is not a correct explanation of Ac)A is true but R is falsed)R is false but R is trueCorrect answer is option 'D'. Can you explain this answer?.
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