The magnetic moment of a magent of m...

The magnetic moment of a magent of mass 78 gm is `10.2xx 10^(-7) A-m^(2)`. Density of the material is `7.8 xx 10^(3) kg//m^(3)` Why are they called ?

Text Solution

Verified by Experts

The correct Answer is:

`0.102 A-m^(1)`

Topper's Solved these Questions

MAGNETISM AND MATTER
FIITJEE|Exercise ASSIGNMENT PROBLEMS OBJECTIVE : (LEVEL -I) (MULTI CHOICE SINGLE CORRECT)|21 Videos
MAGNETISM AND MATTER
FIITJEE|Exercise ASSIGNMENT PROBLEMS OBJECTIVE : (LEVEL -II) (MULTI CHOICE SINGLE CORRECT)|20 Videos
MAGNETISM AND MATTER
FIITJEE|Exercise EXERICSE|4 Videos
MAGNETISM
FIITJEE|Exercise Example|12 Videos
MODERN PHYSICS
FIITJEE|Exercise Numerical based questions|5 Videos

Similar Questions

Explore conceptually related problems

The magnetic moment of a magnet of mass 75 gm is 9xx10^(-7) A-m^(2) . If the density of the material of magnet is 7.5xx10^(3) kg m^(-3) , then find intensity of magnetisation is

The magnetic moment of a magnet of mass 150 g is 18 xx 10^(-3) A m^(2) . If the density of the material of magnet is 15 xx 10^(3) kg / m^(3) , then intensity of magnetization (in (A/ m^2 ) will be

Depict the field-line pattern due to a current carrying solenoid of a finite length. (i) The permeability of material is measured to be 0.12 TA^(-1) m . Find the relative permeability and susceptibility? (ii) A magnet weighs 75 g and its magnetic moment is 2 xx 10^(-4) A m^2 . If the density of the material of the magnet is 7.5 xx 10^3 kg m^(-3) . Calculate the intensity of magnetism.

A bar magnet made of steel has a magnetic moment of 2.5 A m^2 and amass of 6.6 xx 10^(-5) kg . If the density of steel is 7.9 xx 10^3 kg m^(-3) , find the intensity of magnetization of the magnet.

If the density of copper is 8.9xx10^(3)kg//m^(3) , find its relative density.

Magnetic moment of an iron atoms is 1.75 xx 10^(-23) A - m^(2) . If dipole moments of all the atoms of an iron bar of 6 cm xx 1 cm xx 1 cm are aligend , the dipole moment of the bar will be (Atomic weight of iron is 56 and density is 7.8 g//cm^(3) .)

The breaking stress of steel is 7.85 xx 10^(8) N//m^(2) and density of steel is 7.7 xx 10^(3) kg//m^(3) . The maximum frequency to which a string 1 m long can be tuned is

FIITJEE-MAGNETISM AND MATTER-ASSIGNMENT PROBLEMS (SUBJECTIVE ) (LEVEL -1)

What is sure test of magnetism?
Text Solution
|
A steel wire of length 'l' has a magnetic moment 'M'. It is bent in 'L...
Text Solution
|
A magnetic needle lying parallel to a magnetic field requires W units ...
Text Solution
|
A magnet of magnetic moment M is rotated through 360^(@) in a magnetic...
Text Solution
|
Magnetic moment of a short magnet is 16 A - m^(2) . What is the mag...
Text Solution
|
In which directions a compass needle kept at a magnetic pole will poi...
Text Solution
|
A dip needle arranged to move freely in the magnetic meridian dips by ...
Text Solution
|
Horizontal and vertical components of earth’s magnetic field at a plac...
Text Solution
|
The vartical component of the earth's magnetic field is zero at a plac...
Text Solution
|
In a tangent galvanometer , a small compass needle is palced at the...
Text Solution
|
A magnent when suspended freely in earth's magnetic field, oscillates ...
Text Solution
|
Which of the following properties is present in all the substances ?
Text Solution
|
A small rod of bismuth is suspended freely between the poles of a stro...
Text Solution
|
Some metals get magnetised by orientation of atomic magnetic moments i...
Text Solution
|
The magnetic moment of a magent of mass 78 gm is 10.2xx 10^(-7) A...
Text Solution
|
An iron bar of permeability 8.2 xx 10^(-3) Wb/A-m is placed in a m...
Text Solution
|
What is the relative permeability of air ?
Text Solution
|
Out of soft iron and steel which has more coercivity , less reten...
Text Solution
|