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Far axial magnetic field of a solenoid as well as bar magnet vary
  • a)
    directly as R squared R = axial distance to the magnet/solenoid
  • b)
    inversely as R squared R = axial distance to the magnet/solenoid
  • c)
    directly as R cubed R = axial distance to the magnet/solenoid
  • d)
    inversely as R cubed R = axial distance to the magnet/solenoid
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Far axial magnetic field of a solenoid as well as bar magnet varya)dir...
For a short Bar Magnet, the magnetic induction at a point on the axis at a distance r from centre is given by the formula
B= (μ0/4π​​) (2M​/r3)
⇒ B= K​/ r3
⇒ B∝1/r3
The correct answer is option D.
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Far axial magnetic field of a solenoid as well as bar magnet varya)directly as R squared R=axial distance to the magnet/solenoidb)inversely as R squared R=axial distance to the magnet/solenoidc)directly as R cubed R=axial distance to the magnet/solenoidd)inversely as R cubed R=axial distance to the magnet/solenoidCorrect answer is option 'D'. Can you explain this answer?
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Far axial magnetic field of a solenoid as well as bar magnet varya)directly as R squared R=axial distance to the magnet/solenoidb)inversely as R squared R=axial distance to the magnet/solenoidc)directly as R cubed R=axial distance to the magnet/solenoidd)inversely as R cubed R=axial distance to the magnet/solenoidCorrect answer is option 'D'. 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 Far axial magnetic field of a solenoid as well as bar magnet varya)directly as R squared R=axial distance to the magnet/solenoidb)inversely as R squared R=axial distance to the magnet/solenoidc)directly as R cubed R=axial distance to the magnet/solenoidd)inversely as R cubed R=axial distance to the magnet/solenoidCorrect answer is option 'D'. 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 Far axial magnetic field of a solenoid as well as bar magnet varya)directly as R squared R=axial distance to the magnet/solenoidb)inversely as R squared R=axial distance to the magnet/solenoidc)directly as R cubed R=axial distance to the magnet/solenoidd)inversely as R cubed R=axial distance to the magnet/solenoidCorrect answer is option 'D'. Can you explain this answer?.
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