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A short bar magnet has a magnetic moment of 0.65JT−1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8cm from the centre of magnet on the axis is
  • a)
     
    2.5 × 10−4T , along NS direction
  • b)
    2.5 × 10−4T, along SN direction
  • c)
    4.5 × 10−4T, along NS direction
  • d)
    4.5 × 10−4T, along SN direction
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A short bar magnet has a magnetic moment of 0.65JT−1, then the m...
Here, M = 0.65JT−1,
d = 8cm
= 0.08m
The field produced by magnet at axial point is given by
B = 
= 2.5 × 10−4T along SN
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A short bar magnet has a magnetic moment of 0.65JT−1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8cm from the centre of magnet on the axis isa)2.5 × 10−4T , along NS directionb)2.5 × 10−4T, along SN directionc)4.5 × 10−4T, along NS directiond)4.5 × 10−4T, along SN directionCorrect answer is option 'B'. Can you explain this answer?
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A short bar magnet has a magnetic moment of 0.65JT−1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8cm from the centre of magnet on the axis isa)2.5 × 10−4T , along NS directionb)2.5 × 10−4T, along SN directionc)4.5 × 10−4T, along NS directiond)4.5 × 10−4T, along SN directionCorrect answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A short bar magnet has a magnetic moment of 0.65JT−1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8cm from the centre of magnet on the axis isa)2.5 × 10−4T , along NS directionb)2.5 × 10−4T, along SN directionc)4.5 × 10−4T, along NS directiond)4.5 × 10−4T, along SN directionCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A short bar magnet has a magnetic moment of 0.65JT−1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8cm from the centre of magnet on the axis isa)2.5 × 10−4T , along NS directionb)2.5 × 10−4T, along SN directionc)4.5 × 10−4T, along NS directiond)4.5 × 10−4T, along SN directionCorrect answer is option 'B'. Can you explain this answer?.
Solutions for A short bar magnet has a magnetic moment of 0.65JT−1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8cm from the centre of magnet on the axis isa)2.5 × 10−4T , along NS directionb)2.5 × 10−4T, along SN directionc)4.5 × 10−4T, along NS directiond)4.5 × 10−4T, along SN directionCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
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