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Magnetic moment of a magnet is M. Maximum value of torque acting on this magnet when suspended in a uniform magnetic field of intensity B is
- a)MB
- b)1/2 MB
- c)2 MB
- d)Zero
Correct answer is option 'A'. Can you explain this answer?
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Magnetic moment of a magnet is M. Maximum value of torque acting on th...
Explanation:
Magnetic moment of a magnet is given by the product of the strength of the magnetic pole and the distance between them.
Magnetic moment (M) = pole strength (m) x distance between poles (d)
The torque (τ) acting on a magnetic dipole in a magnetic field is given by the product of the magnetic moment and the magnetic field strength.
Torque (τ) = magnetic moment (M) x magnetic field strength (B) x sin θ
where θ is the angle between the magnetic moment and the direction of the magnetic field.
The maximum value of torque occurs when the angle between the magnetic moment and the magnetic field is 90°.
Therefore, maximum torque (τmax) = M x B x sin 90° = MB
Hence, the correct option is A) MB.
Magnetic moment of a magnet is given by the product of the strength of the magnetic pole and the distance between them.
Magnetic moment (M) = pole strength (m) x distance between poles (d)
The torque (τ) acting on a magnetic dipole in a magnetic field is given by the product of the magnetic moment and the magnetic field strength.
Torque (τ) = magnetic moment (M) x magnetic field strength (B) x sin θ
where θ is the angle between the magnetic moment and the direction of the magnetic field.
The maximum value of torque occurs when the angle between the magnetic moment and the magnetic field is 90°.
Therefore, maximum torque (τmax) = M x B x sin 90° = MB
Hence, the correct option is A) MB.
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Community Answer
Magnetic moment of a magnet is M. Maximum value of torque acting on th...
Torque formula =M ×B ~》M B sin theta . sintheta value is max for 1 therefore maximum toque acting is MB so option a
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Magnetic moment of a magnet is M. Maximum value of torque acting on this magnet when suspended in a uniform magnetic field of intensity B isa)MBb)1/2 MBc)2 MBd)ZeroCorrect answer is option 'A'. Can you explain this answer?
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