The magnetic field due to a short magnet...

The magnetic field due to a short magnet at a point in its axis at distance `X` cm from the middle of the magnet is

`100` Gauss

`400` Gauss

`50` Gauss

`200` Gauss

Text Solution

Verified by Experts

The correct Answer is:

Along the axis of magnet `B_(a)=(2M)/X^(3)=200` Gauss
rArr `B_(a)=M/X^(3)=100` Gauss

Topper's Solved these Questions

MAGNETISM AND MATTER
A2Z|Exercise Magnetic Equipments|58 Videos
MAGNETISM AND MATTER
A2Z|Exercise Magnetic Materials|50 Videos
GEOMETRICAL OPTICS
A2Z|Exercise Section D - Chapter End Test|30 Videos
MOCK TEST
A2Z|Exercise Mock Test 3|44 Videos

Similar Questions

Explore conceptually related problems

The magnetic induction due to a bar magnet at a point on its axis is directed from

The magnetic induction due to a short magnet at a distance of 20 cm on the axial line of a short bar magnet is 1.5xx10^(-6)" Wb/m"^(2) . What is the magnetic induction at a point on its axis at a distance of 5 cm from the centre of the magnet?

A long bar magnet has a pole strength of 10 Am . Find the magnetic field at a point on the axis of the magnet at a distance of 5cm from the north pole of the magnet.

What is the magnetic induction due to a short bar magnet of moment of 0.5 Am^(2) at a point along its axis at a distance of 20 cm from the centre of the magnet? (mu_(0)/(4pi)=10^(-7)" SI unit")

The magnitude of the equatorial magnetic field due to a bar magnet of length 2 cm at a distance of 1lm from its mid-point is (magnetic moment of the bar magnet is 0.60 A m)

A short bar magnet has a magnetic moment of 0*48JT^-1 . Give the direction and magnitude of the magnetic field produced by the magnet at a distance of 10cm from the centre of the magnet on (i) the axis (ii) the equatorial line (normal bisector) of the magnet.

The dipole moment of a short bar magnet is 1.25 A-m^(2) . The magnetic field on its axis at a distance of 0.5 metre from the centre of the magnet is

A2Z-MAGNETISM AND MATTER-Section D - Chapter End Test

The magnetic field due to a short magnet at a point in its axis at dis...
Text Solution
|
The true value of angle of dip at a place is 60^(@), the apparent dip ...
Text Solution
|
A magnetic needle lying parallel to a magnetic field requires W units ...
Text Solution
|
A thin rectangular magnet suspended freely has a period of oscillation...
Text Solution
|
The length of a magnet is large compared to its width and breadth. The...
Text Solution
|
Two identical short bar magnets, each having magnetic moment M, are pl...
Text Solution
|
The magnet field lines due to a bar magnet are correctly shown in
Text Solution
|
A curve between magnetic moment and temperature of magnet is
Text Solution
|
Which curve may best repreasent the current deflection in a tangent ga...
Text Solution
|
The variation of the intensity of magnetisation (I) with respect to th...
Text Solution
|
For ferromagnetic material, the relative permeability (mu(r)), versus ...
Text Solution
|
A magnet is suspended horizontal in the earth's magnetic field. When i...
Text Solution
|
The field due to a magnet at a distance R~ from the centre of the magn...
Text Solution
|
A long magnet is cut in two parts in such a way that the ratio of thei...
Text Solution
|
If the magnetic flux is expressed in weber, then magnetiv induction ca...
Text Solution
|
Magnetic intensity for an axial point due to a short bar magnet of mag...
Text Solution
|
A small rod of bismuth is suspended freely between the poles of a stro...
Text Solution
|
Magnetic moment of two bar magnets may be compared with the help of
Text Solution
|
At place, the magnitudes of the horizontal component and total intensi...
Text Solution
|
The angle of dip at a certain place is 30^(@). If the horizontal compo...
Text Solution
|
The horizontal component of the earth's magnetic field is 0.22 Gauss a...
Text Solution
|