Home
Class 12
PHYSICS
If a bar magnet of pole strength m and m...

If a bar magnet of pole strength m and magnetic moment M is cut equally 5 times parallel to its axis and again 3 times perpendicular to its axis, then the pole strength and magnetic moment of each piece are respectively.

A

`(m)/(20), (M)/(20)`

B

`(m)/(4), (M)/(20)`

C

`(m)/(20), (5)/(20)`

D

`(m)/(5), (M)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Practice Questions (More than one correct choice Type)|11 Videos
  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Practice Questions (Linked Comprehension)|2 Videos
  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Problems|49 Videos
  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Practice Question (Integer Type)|4 Videos
  • MOTION ALONG A STRAIGHT LINE

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS ( Integer Type )|3 Videos

Similar Questions

Explore conceptually related problems

If a bar magnet of pole strength 'm' and magnetic moment 'M' is cut equally 4 times parallel to its axis and 5 times perpendicular to its axis then the pole strength and magnetic moment of each piece are respectively

What are the SI units of pole strength and magnetic moment?

When a bar magnet of pole strength 'm' and magnetic moment 'M' is cut into n equal parts longitudinaly and transversely then pole strength and magnetic moment of each piece is respectively

Two magnets of a magnet is 16 cm . Its pole strength is 250 milli.amp.m . When it is cut into four equal pieces parallel to its axis, The magnetic length, pole strength and moments of each piece are: (respectively)

If two bar magnets of different magnetic lengths have equal moments, then the pole strength is

A thin bar magnet of length 2 l and breadth 2 b pole strength m and magnetic moment M is divided into four equal parts with length and breadth of each part being half of original magnet. Then, the magnetic moment of each part is

If two identical bar mangets, each of length 'I' , pole strength 'm' and magnetic moment 'M' are placed perpendicular to each other with their unlike poles in contact, the magnetic moment of the combination is

A bar magnet of pole strength 10A-m is cut into two equal parts breathwise. The pole strength of each magnet is

RESNICK AND HALLIDAY-MAGNETIC FORCE-Practice Questions (Single correct Choice Type )
  1. If vec(A), vec(B) and vec(C ) are three vectors, then the wrong relati...

    Text Solution

    |

  2. A magnetic needle suspended by a silk thread is vibrating in the earth...

    Text Solution

    |

  3. If a bar magnet of pole strength m and magnetic moment M is cut equall...

    Text Solution

    |

  4. A compass needle whose magnetic moment is 60Am^2 points geographic nor...

    Text Solution

    |

  5. A magnetic field of 1600Am^-1 produces a magnetic flux of 2*4xx10^-5 w...

    Text Solution

    |

  6. Two short magnets placed along the same axis with their like poles fac...

    Text Solution

    |

  7. The time period of a freely suspended magnetic needle does not depend ...

    Text Solution

    |

  8. Which among the four chi versus T graphs shown in the following figure...

    Text Solution

    |

  9. An electron is travelling horizontally towards east. A magnetic field ...

    Text Solution

    |

  10. An electron and a proton are moving on straight parallel paths with sa...

    Text Solution

    |

  11. Assertion: If an electron, while coming vertically from outerspace, en...

    Text Solution

    |

  12. Cosmic rays (atomic nuclei stripped bare of their electrons) would con...

    Text Solution

    |

  13. A charged particle enters a uniform magnetic field perpendicular to it...

    Text Solution

    |

  14. A neutral particle at rest in a magnetic field decays into two charged...

    Text Solution

    |

  15. What is the direction of angular velocity of a rotating body ?

    Text Solution

    |

  16. An electron moving with a uniform velocity along the positive x-direct...

    Text Solution

    |

  17. Which of the following particle can be deflected by electric and magne...

    Text Solution

    |

  18. An alpha -particle and a proton are accelerated from rest thruogh the ...

    Text Solution

    |

  19. Three long straight parallel wires are kept as shown in figure. The wi...

    Text Solution

    |

  20. Which of the following setups can make a small conductor coil that is ...

    Text Solution

    |