Home
Class 12
PHYSICS
A north pole of strength 50 Am and south...

A north pole of strength 50 Am and south pole of strength 100 Am are separated by a distance of 10 cm in air. Find the force between them.

A

`50 xx 10^(-3) N`

B

`25 xx 10^(-3) N`

C

`20 xx 10^(-6) N`

D

`30 xx 10^(-18) N`

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MAGNETIC EFFECTS OF CURRENT

    DISHA|Exercise physics|80 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    DISHA|Exercise Physics|28 Videos

Similar Questions

Explore conceptually related problems

A magnetic dipole of lrngth 10 cm has pole strength of 20 Am apart . Find the magnetic moment of the dipole

Two magnetic poles, one of which is four times stronger than the other, exert a force of 10gf on each other, when placed at a distance of 10cm in air. Find the strength of each pole.

Knowledge Check

  • The magnetic moment of a length 10 cm and pole strength 4.0 Am will be

    A
    `0.4 Am^(2)`
    B
    `1.6 Am^(2)`
    C
    `20 Am^(2)`
    D
    `8.0 Am^(2)`

  • Two isolated point poles of strength 30 Am and 60 Am are placed a distance of 0.3 m.The force of repulsion is

    A
    `2xx10^(-3) N`
    B
    `3 xx10^(-2) N`
    C
    `4xx10^(-3)N`
    D
    `3xx10^(-4) N`

  • Six s imilar magnetic poles are placed on six corners of a regular hexagon of side 10 cm . A south pole of strength 10 Am is placed at the centre of hexagon. Find the magnetic force on the south pole.

    A
    Zero
    B
    `4pixx10^(-4)N`
    C
    10 N
    D
    None of these

    • Similar Questions

    Explore conceptually related problems

    Two unlike magnetic poles of strength 10A-m each are held in air at a distance of 0*5m from each other. What is the magnetic force of attraction between them?

    The magnetic induction at a distance 'd' form the magnetic pole of unkown strength 'm' is B . If an identical pole is now placed at a distance of 2d from the first pole, the force between the two poles is

    Two north poles each of pole strength m and a south pole of pole strength m are placed at the three corners of an equilateral triangle of side a. The intensity of magnetic induction field strength at the centre of the triangle is

    Two like mangetic poles of strength 10 and 40 SI units are separated by a distance 30cm. The intensity of magnetic field is zero on the line joining them

    Force between two unit pole strength placed at a distance of one metre is

    Home
    Profile