Home
Class 12
PHYSICS
The magnetic induction B and the force F...

The magnetic induction B and the force F on a pole m are related by

A

B = m F

B

`F = (m)/(B)`

C

F = m B

D

`F = m^(2) B`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|49 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
  • MODEL QUESTION PAPER

    TARGET PUBLICATION|Exercise MODEL QUESTION PAPER -II|47 Videos

Similar Questions

Explore conceptually related problems

The magnetic induction in the region between the pole faces of an electromagnet is 0.7 weber/m 2. The induced e.m.f. in a straight conductor 10 cm long, perpendicular to B and moving perpendicular both to magnetic induction and its own length with a velocity 2 m/sec is

A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force F is experienced by each pole of the magnet, the length of the magnet will be

A charged particle is moving with velocity 'V' in a magnetic field of induction B . The force on the paricle will be maximum when

The magnetic induction at a distance 'd' form the magnetic pole of unkown strength 'm' is B . If an identical pole is now placed at a distance of 2d from the first pole, the force between the two poles is

The magnetic induction in air at a distance d from an isolated point pole of strenth m unit will be

The magnetic induction at distance of 0.1m from a strong magnetic pole of strength 1200 Am is

The length of a magnet of moment 5Am^(2) is 14cm . The magnetic induction at a point, equidistant form both the poles is 3.2xx10^(-5)Wb//m^(3) . The distance of the point form either pole is

TARGET PUBLICATION-MAGNETISM-CRITICAL THINKING
  1. The magnetic induction B and the force F on a pole m are related by

    Text Solution

    |

  2. Magnetic field intensity due to a dipole varies as x^(n), where n is

    Text Solution

    |

  3. The magnetic dipole moment of earth is 6*4xx10^(21)Am^2. If we conside...

    Text Solution

    |

  4. A current of 10 A is flowing through a circular coil of 5 turns, each ...

    Text Solution

    |

  5. A steel wire of length 'l' has a magnetic moment 'M'. It is bent in 'L...

    Text Solution

    |

  6. The electron in the hydrogen atom is moving with a speed of 2.5 xx 10^...

    Text Solution

    |

  7. An electron in an atom revolves around the nucleus in an orbit of radi...

    Text Solution

    |

  8. A charge q is circulating with a constant speed v in a semicircular lo...

    Text Solution

    |

  9. For an isotropic medium B, mu, H and M are related as (where B, mu(0),...

    Text Solution

    |

  10. Relative permeability of nickel is 600, then its magnetic susceptibili...

    Text Solution

    |

  11. The maximum value of permeability of Mu-metal is 0.126 (T-m)/(A) . Fin...

    Text Solution

    |

  12. What is the magnetization of a bar magnet having length 6 cm and area ...

    Text Solution

    |

  13. The space inside a toroid is filled with tungsten whose susceptibility...

    Text Solution

    |

  14. A magnet of magnetic moment 3 Am^(2) weighs 75 g. The density of the m...

    Text Solution

    |

  15. The susceptibility of a magnetic material is chi at 127^(@)C. At what ...

    Text Solution

    |

  16. The susceptibility of a paramagnetic substance was found for different...

    Text Solution

    |

  17. The variation of magnetic susceptibility (chi) with absolute temperatu...

    Text Solution

    |

  18. The most appropriate magnetization M versus magnetising field H curve ...

    Text Solution

    |

  19. The graph between chi and 1/T for paramagnetic material will be repres...

    Text Solution

    |

  20. A curve between saturation magnetization and temperature of a ferromag...

    Text Solution

    |