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
A
`1:9`
B
`2:9`
C
`27:1`
D
`9:1`
Text Solution
Verified by Experts
The correct Answer is:
C
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
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
Point A and B are situated along the extended axis of 2 cm long bar magnet at a distance x and 2x cm respectively. From the pole nearer to the points, the ratio of the magnetic field at A and B will be
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
Points A and B are located along a line perpendicular to the axis of a small bar magnet. Line joining the points A and B is passing through the centre of bar magnet. Point A is at a distance x from the centre of magnet on one side and point B is on the other side of magnet at a distance 3x from the centre of magnet. If B_1 and B_2 are the magnetic field intensities at A and B respectively then find approximate value of B_1 :B_2
Two points A and B are located 1 point at distances 20cm and 30cm from the center of a short bar magnet on its axial line.The ratio of magnetic induction at A and B is
A neutral point is found on the axis of a bar magnet at a distance of 10cm from its one end. If the length of the magnet be 10cm , and H=0*3G . Find the magnetic moment of the magnet.
The magnetic potential at a point at a distance r from its centre along its axis is V.The magnetic potential at a point at the distance 2 r will be
A circular coil of radius R carries a current i . The magnetic field at its centre is B . The distance from the centre on the axis of the coil where the magnetic field will be B//8 is
