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A bar magnet of pole strength 2 A-m is kept in a magnetic field of induction 4 x 10−5 wbm−2 such that the axis of the magnet makes an angle 30° with the direction of the field. The couple acting on the magnet is found to be 80 x 10−7 N - m . Then the distance between the poles of the magnet is
  • a)
    20m
  • b)
    2m
  • c)
    3cm
  • d)
    20cm
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A bar magnet of pole strength 2 A-m is kept in a magnetic field of ind...
Couple = MBsin theta. using these find M...
M=m×l. & using these find l. ( 1m= 100cm)
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A bar magnet of pole strength 2 A-m is kept in a magnetic field of induction 4 x 10−5 wbm−2 such that the axis of the magnet makes an angle 30° with the direction of the field. The couple acting on the magnet is found to be 80 x 10−7 N - m . Then the distance between the poles of the magnet isa)20mb)2mc)3cmd)20cmCorrect answer is option 'D'. Can you explain this answer?
Question Description
A bar magnet of pole strength 2 A-m is kept in a magnetic field of induction 4 x 10−5 wbm−2 such that the axis of the magnet makes an angle 30° with the direction of the field. The couple acting on the magnet is found to be 80 x 10−7 N - m . Then the distance between the poles of the magnet isa)20mb)2mc)3cmd)20cmCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A bar magnet of pole strength 2 A-m is kept in a magnetic field of induction 4 x 10−5 wbm−2 such that the axis of the magnet makes an angle 30° with the direction of the field. The couple acting on the magnet is found to be 80 x 10−7 N - m . Then the distance between the poles of the magnet isa)20mb)2mc)3cmd)20cmCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A bar magnet of pole strength 2 A-m is kept in a magnetic field of induction 4 x 10−5 wbm−2 such that the axis of the magnet makes an angle 30° with the direction of the field. The couple acting on the magnet is found to be 80 x 10−7 N - m . Then the distance between the poles of the magnet isa)20mb)2mc)3cmd)20cmCorrect answer is option 'D'. Can you explain this answer?.
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