Home
Class 12
PHYSICS
A magnet of pole strength m is divided...

A magnet of pole strength m is divided into four equal parts so that the length and breadth of each part is half than that of the original magnet then pole strength of each is

A

`(m)/(4)`

B

`(m)/(8)`

C

`(m)/(2)`

D

4m

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL I)(PARAGRAPH QUESTIONS )|1 Videos

  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL II)|50 Videos

  • MAGNETOSTATICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL I) (ASSERTION AND REASONING)|2 Videos

  • LAWS OF MOTION

    MODERN PUBLICATION|Exercise Revision test|43 Videos

  • MOCK TEST-1

    MODERN PUBLICATION|Exercise MCQs|47 Videos

Similar Questions

Explore conceptually related problems

A magnet of length 14 cm and magnetic moment p_m is broken into two parts of length 6 cm and 8 cm. They are put at right angle to each other with the opposite poles together. The magnetic moment of the combination is :

A magnet of length 12 cm has pole strength 10 units. Find out the torque acting on the magnet when it is placed at an angle of 30^@ with the direction of a uniform field of strength 0.5 oersted.

Knowledge Check

  • A bar magnet of pole strength in divided in to four equal parts so that the length as well as breadth of eath part is half of its original magnet The dipole moment of each is

    A
    m
    B
    `(m)/(2)`
    C
    `(m)/(4)`
    D
    `(m)/(8)`

  • A magnet of pole strength m is divided into fiour equal parts so sthat the length as well then the pole strength of each is

    A
    `(m)/(4)`
    B
    `(m)/(8)`
    C
    `(m)/(2)`
    D
    `4m`

  • When a bar megnet is cut into two equal halves, the pole strength of each piece

    A
    Becomes double
    B
    Becomes zero
    C
    Becomes half
    D
    Remains the same

    • Similar Questions

    Explore conceptually related problems

    A magnet of magnetic moment M is cut in to two equal parts the resultant magnetic moment is

    I a magnet is divided in to 2n parts by cutting along lines parallel to length then pole strength of each part will be

    A long magnet is cut into two parts in such a way that the ratio of hteir lengths is 2:1 the ratio of pole strengths of both the section is

    A bar magnet is 10 cm long given the horizontal component of earth field to be 0.4 gauss the pole strength of the magnet is

    Two identical thin bar magnets each l and pole strength m are placed at right angle to each other with north pole of one touching south of other the magnetic moment of the system is

    Home
    Profile