The distance of two points on the axis o...

The distance of two points on the axis of a magnet from its centre is `10 cm` and `20 cm` repectively. The ratio of magnatic intensity at these points is `12.5 : 1`. The length of the megnet will be

5 cm

25 cm

10 cm

20 cm

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

PRACTICE SET 20
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise PAPER 1 (Physics & Chemistry)|50 Videos
PRACTICE SET 22
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Physics & chemistry|1 Videos

Similar Questions

Explore conceptually related problems

The distance of two points from the centre of loop on the axis is 0.05cm and 0.02cm and the ratio of the magnetic fields at these points is 8:1 respectively. Find the radius of the loop

Let r be the distance of a point on the axis of a bar magnet from its centre. The magnetic field at such a point is proportional to

The difference in potential of two points lying on the axis a distance of 50 cm and 100 cm respectivelym from its centre is

Let r be the distance of a point on the axis of a magnetic dipole from its centre. The magnetic fiedl at such a point is proportional to

The intensities of magnetic field at teo points on the axis of bar magnet at distance of 10 cm and 20 cm from the middle point in the ratio 18 : 1 . Find the distance between the pole of the magnets.

The ratio of magnetic fields on the axial line of a long magnet at distance of 10cm and 20cm is 12.5.1. The length of the magnet is

The intensities of magnetic field at two points on the axis of a bar magnet at distances of 10 cm and 20 cm from the middle point are in the ratio 18:1. Find the distance between the poles of the magnet.

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 21-PAPER 1 (PHYSICS & CHEMISTRY)

Minimum number of capacitors of 2muF capacitance each required to obta...
Text Solution
|
A charge q is placed at the centre of the open end of a cylindrical ve...
Text Solution
|
The distance of two points on the axis of a magnet from its centre is ...
Text Solution
|
Two masses m1 and m2 (m1gtm2) are connected by massless flexible and i...
Text Solution
|
When a ferromagnetic material is heated to temperature above its Curie...
Text Solution
|
A rectangular vessel when full of water takes 10 minutes to be emptied...
Text Solution
|
A layer of glycerine of thickness 1 mm is present between a large surf...
Text Solution
|
Two coils of self-inductance L(1) and L(2) are placed closed to each o...
Text Solution
|
A new flashlight cell of e.m.f. 1.5 volts given a current of 15 amps. ...
Text Solution
|
In a transformer, the number of turns in primary coil and secondary co...
Text Solution
|
Two coherent monochromatic light beams of intensities I and 4 I are su...
Text Solution
|
In the relation x = cos (omegat + kx), the dimension(s) of omega is/a...
Text Solution
|
For the stationary wave y=4sin((pix)/(15))cos(96pit), the distance bet...
Text Solution
|
When monochromatic light is replaced by white light in Fresnel's bipri...
Text Solution
|
Wavelength of a 1 ke V photon is 1.24 xx 10^(-9) m. What is the freque...
Text Solution
|
A physical quantity Q is found ot depend on observables x, y and z obe...
Text Solution
|
Why is refractivce index in a transparent medium greater than one ?
Text Solution
|
A disc is rotating with angular velocity omega. If a child sits on it,...
Text Solution
|
A voltmeter having resistance of 50 × 10^(3) ohm is used to measure th...
Text Solution
|
Ground state energy of H-atom is -13.6 eV. The energy needed to ionise...
Text Solution
|