Home
Class 12
PHYSICS
A straight steel wire of length l has a ...

A straight steel wire of length l has a magnetic moment M. When it is bent in the form of a semi - circle its magnetic moment will be

A

M

B

`M//pi`

C

`2M//pi`

D

`Mpi`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    DISHA PUBLICATION|Exercise EXERCISE - 1 : Concept Builder (Topic wise) (Topic 2 : Magnetic Field Lines, Biot - Savart.s Law and Ampere.s Circuital Law|21 Videos

  • MOVING CHARGES AND MAGNETISM

    DISHA PUBLICATION|Exercise EXERCISE - 1 : Concept Builder (Topic wise) (Topic 3 : Force and torque on current carrying conductor and moving coil Galvanometor )|14 Videos

  • MOVING CHARGES AND MAGNETISM

    DISHA PUBLICATION|Exercise EXERCISE - 2 : Concept Applicator|25 Videos

  • MOTION IN A STRAIGHT LINE

    DISHA PUBLICATION|Exercise Exercise-2|30 Videos

  • NUCLEI

    DISHA PUBLICATION|Exercise EXERCISE - 2 (CONCEPT APPLICATOR)|30 Videos

Similar Questions

Explore conceptually related problems

An iron rod of length L and magnetic moment M is bent in the form of a semicircle. Now its magnetic moment will be

A steel wire of length l has a magnetic moment M. It is bent into a semicircular arc. What is the new magnetic moment?

A magnet with moment M is given. If it is bent into a semicircular form, its new magnetic moment will be:

A steel wire of length l has a magnetic moment M. It is bent in L - shape (Figure). The new magnetic moment is

A steel wire of length 'l' has a magnetic moment 'M'. It is bent in 'L' shape having equal size of arm. The new magnetic moment is

When a magnet is bent into the form of 'L' , its magnetic moment ______

DISHA PUBLICATION-MOVING CHARGES AND MAGNETISM -EXERCISE - 1 : Concept Builder (Topic wise) (Topic 1 : Motion of Charged Particle in Magnetic Field )
  1. A particle is projected in a plane perpendicular to a uniform magnetic...

    Text Solution

    |

  2. A charge +q moves with velocity vecv = 3hati+4hatj+hatk in an electrom...

    Text Solution

    |

  3. A straight steel wire of length l has a magnetic moment M. When it is ...

    Text Solution

    |

  4. The magnetic force action on a charged particle of charge -2muC in a m...

    Text Solution

    |

  5. A charged paricle goes undeflected in a region containing electric an...

    Text Solution

    |

  6. An electron having a charge c moves with a velocity v in X - direction...

    Text Solution

    |

  7. A thin circular wire carrying a current I has a magnetic moment M. The...

    Text Solution

    |

  8. You are given a closed circuit with radii a and b as shown in fig carr...

    Text Solution

    |

  9. An electron moves in a circular orbit with a uniform speed v.It produc...

    Text Solution

    |

  10. A proton moving with a velocity 3xx10^(5)m//s enters a magnetic field ...

    Text Solution

    |

  11. A beam of electrons is moving with constant velocity in a region havin...

    Text Solution

    |

  12. A uniform magnetic field at right angles to the direction of motion of...

    Text Solution

    |

  13. A proton moving with a constant velocity passes through a region of sp...

    Text Solution

    |

  14. A charge particle (charge q ) is moving in a circle of radius R with u...

    Text Solution

    |

  15. A charge particle moves with velocity vecV=Ahati+Dhatj magnetic field ...

    Text Solution

    |

  16. If particle of charge 10^(-12) coulomb moving along the hatx - directi...

    Text Solution

    |

  17. A certain region has an electric field vecE = (2hati-3hatj) N/C and a...

    Text Solution

    |

  18. A cathode ray beam is bent in a circle of radius 2 cm by a magnetic in...

    Text Solution

    |

  19. An electron moving with kinetic energy 6xx10^(-16) joules enters a fie...

    Text Solution

    |

  20. A wire of length L metre , carrying a current I ampere is bent in the...

    Text Solution

    |