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

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

`mxxl`

B

`M/l`

C

`(2M)/(pi)`

D

`M`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD AND FORCES

    DC PANDEY|Exercise Match the following|4 Videos

  • INTERFERENCE AND DIFFRACTION OF LIGHT

    DC PANDEY|Exercise Level 2 Subjective|5 Videos

  • MAGNETICS

    DC PANDEY|Exercise MCQ_TYPE|1 Videos

Similar Questions

Explore conceptually related problems

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

A wire of length l has a magnetic moment M. Another wire of same length and magnetic moment is taken and is bent into a semicircular arc. Find the ratio of magnetic moment of wire to that of the semicircular arc.

A magnetised steel wire of length L has a magnetic moment of 3.14 Am^(2) . If the wire is bent into a semicircular arc, then what would be its new magnetic moment? (assume that the poles are situated at the ends of the wire.)

A magnetised steel wire of length L has a magnetic moment of 3.14 Am^(2) . If the wire is bent into a semicircular arc, then what would be its new magnetic moment? (assume that the poles are situated at the ends of the wire.)

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

A long thin magnet of moment M is bent into a semi circle. The decrease in the magnetic moment is

DC PANDEY-MAGNETIC FIELD AND FORCES-Medical entrance s gallery
  1. A proton and helium nucleus are shot into a magnetic field at right an...

    Text Solution

    |

  2. Two charged particles have charges and masses in the ratio 2:3 and 1:4...

    Text Solution

    |

  3. A metal rod of length l cuts across a uniform magnetic field B with a ...

    Text Solution

    |

  4. A current of 2 A is made to flow through a coil which has only one tur...

    Text Solution

    |

  5. A long straight wire is carrying a current of 12 A . The magnetic fiel...

    Text Solution

    |

  6. The magnetic field at a point on the axis of a long solenoid having 5 ...

    Text Solution

    |

  7. In the diagram I(1),I(2) are the strength of the currents in the loop ...

    Text Solution

    |

  8. The adjacent figure shows, the cross-section of a long rod with its le...

    Text Solution

    |

  9. Two straight wires each 10 cm long are parallel to one another and sep...

    Text Solution

    |

  10. A conductor of length 5 cm is moved paralllel to itself with a speed o...

    Text Solution

    |

  11. On meter length of wires carriers a constant current. The wire is bent...

    Text Solution

    |

  12. A proton is moving in a uniform magnetic field B in a circular path of...

    Text Solution

    |

  13. The magnetic field in a certain region of space is given by B=8.35 xx1...

    Text Solution

    |

  14. A planar coil having 12 turns carries 15 A current. The coil is orient...

    Text Solution

    |

  15. A current i ampere flows along the inner conductor of a coaxial cable ...

    Text Solution

    |

  16. Two parallel long wires carry currents i(1) "and" i(2) with i(1) gt i(...

    Text Solution

    |

  17. A charged particle with a velocity 2xx10^(3) ms^(-1) passes undeflecte...

    Text Solution

    |

  18. Two similar coils of radius R are lying concentriclaly with their pl...

    Text Solution

    |

  19. When an electronl beam passes through and electric field they gain kin...

    Text Solution

    |

  20. A steel wire of length l has a magnetic moment M. It is bent into a se...

    Text Solution

    |