Home
Class 12
PHYSICS
The distance between a north pole of str...

The distance between a north pole of strength `6 xx 10^(-3)`Am and a south pole of strength `8xx10^(-3)` Am is 10 cm. The poles are separated in air. Find the force between them.

Text Solution

Verified by Experts

`48 xx 10^(-11)N`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MAGNETISM

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|13 Videos

  • MAGNETISM

    AAKASH SERIES|Exercise EXERCISE (VERY SHORT ANSWER QUESTIONS)|25 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|16 Videos

  • MOTION IN A PLANE

    AAKASH SERIES|Exercise EXERCISE-3 (Circular Motion)|7 Videos

Similar Questions

Explore conceptually related problems

Two like poles of strength 49 xx 10^(-3)A-m and 9 xx 10^(-3)A -m are separated by a distance of 10 cm . Find the distance of the neutral point from the stronger pole where the magnetic induction due to the two poles will be zero .

Two magnetic poles of strengths 40Am and 10 Am are separated by a distance of 20 cm in air. Find the force between them. If the distance is reduced to 10 cm, find the force.

Knowledge Check

  • In Young's double slit experiment the distance between slits is 2 xx 10^(-3)m , the distance between screen and slits is 200 cm. When the light of wave length 5000 A^(@) is used, then the fringe width on the screen will be

    A
    2mm
    B
    0.05mm
    C
    1mm
    D
    0.5mm

    • Similar Questions

    Explore conceptually related problems

    A bar magnet of length 10 cm and pole strength 2 Am is making an angle 60^(@) with a uniform field of induction 50T. Find the couple acting on it.

    The field intensities of two points on the axial line of a bar magnet at distances of 10xx 10^(-2) m and 15 xx 10^(-2) m are in the ratio 5.8:1. Find the distance between the two poles of the magnet.

    A magnetic pole of strength 4 Am is moved twice around a long straight wire carrying a current of 3A. The work done is

    Two poles of heights 6m and 11 m stand on a plane ground. IF the distance between the feet of the poles is 12m, find the distance between their tops.

    The magnetic moment of a bar magnet of length 20cm is 3.6 xx 10^(-6)A-m^(2) . The magnetic length is 90% of its geometric length. Then find the pole strength of the magnet.

    The dielectric strength of air is 3xx10^6Vm^(-1) . At certain

    What is the force between two small charged speres having charges of 2xx10^(-7) c and 3xx10^(-7) c placed 30 cm apart in air

    Home
    Profile