A bar magnet of length 3cm has points `A` and `B` along its axis at distance of `24cm` and `48cm` on the opposite sides. Ratio of magnetic field at these points will be
A
8
B
`1//2sqrt(2)`
C
3
D
4
Text Solution
Verified by Experts
The correct Answer is:
A
Topper's Solved these Questions
MAGNETISM
ERRORLESS |Exercise Magnet and it s Properties|15 Videos
MAGNETISM
ERRORLESS |Exercise Earth Magnetism|8 Videos
MAGNETIC EFFECT OF CURRENT
ERRORLESS |Exercise Exercise|394 Videos
RAY OPTICS
ERRORLESS |Exercise SET|25 Videos
Similar Questions
Explore conceptually related problems
Points A and B are situated perpendicular to the axis of a 2cm long bar magnet at large distances X and 3X from its centre on opposite sides. The retio of the magnetic fields at A and B wil be approximately equal to
Two points A and B are situated perpendicular to the axis of 4 cm long bar magnet at a distance x and 3x from its centre on opposite sides. The ratio of magnetic inductions at A and B will be equal to
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
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
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.
A magnet 2cm long has a pole strength of 60Am . Find the magnitude of magnetic field strength B at a point on its axis at a distance of 20cm from it. What would be the value of B, if the point were to lie at the same distance on equatorial line of magnet?
A bar magnet of length 10cm has a pole strength of 20Am . Find the magnetic field strength at a distance of 10cm from its centre on (i) its axial line and on (ii) its equatorial line.
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