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​A ring is rotated about diametric axis in a uniform magnetic field perpendicular to the plane of the ring. If initially the plane of the ring is perpendicular to the magnetic field. Find the instant of time at which EMF will be maximum & minimum respectively :
  • a)
    2.5 sec, 5 sec
  • b)
    5 sec, 7.5 sec
  • c)
    2.5 sec, 7.5 sec
  • d)
    10 sec, 5 sec
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A ring is rotated about diametric axis in a uniform magnetic field per...

When ωt = π
∵  φ will have maximum.
∵ e will be minimum.
t =  = 5 sec.
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A ring is rotated about diametric axis in a uniform magnetic field perpendicular to the plane of the ring. If initially the plane of the ring is perpendicular to the magnetic field. Find the instant of time at which EMF will be maximum & minimum respectively :a)2.5 sec, 5 secb)5 sec, 7.5 secc)2.5 sec, 7.5 secd)10 sec, 5 secCorrect answer is option 'A'. Can you explain this answer?
Question Description
A ring is rotated about diametric axis in a uniform magnetic field perpendicular to the plane of the ring. If initially the plane of the ring is perpendicular to the magnetic field. Find the instant of time at which EMF will be maximum & minimum respectively :a)2.5 sec, 5 secb)5 sec, 7.5 secc)2.5 sec, 7.5 secd)10 sec, 5 secCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A ring is rotated about diametric axis in a uniform magnetic field perpendicular to the plane of the ring. If initially the plane of the ring is perpendicular to the magnetic field. Find the instant of time at which EMF will be maximum & minimum respectively :a)2.5 sec, 5 secb)5 sec, 7.5 secc)2.5 sec, 7.5 secd)10 sec, 5 secCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ring is rotated about diametric axis in a uniform magnetic field perpendicular to the plane of the ring. If initially the plane of the ring is perpendicular to the magnetic field. Find the instant of time at which EMF will be maximum & minimum respectively :a)2.5 sec, 5 secb)5 sec, 7.5 secc)2.5 sec, 7.5 secd)10 sec, 5 secCorrect answer is option 'A'. Can you explain this answer?.
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