No links please Q) The ratio of the magnetic fields at distances 30 and 60 cm respectively from the - Physics - Magnetism And Matter

Question

No links please
Q) The ratio of the magnetic fields at distances 30 and 60 cm
respectively from the centre of a bar magnet is 25 : 2 Determine
the length of the magnet

[30 cm]

Shobhit Mittal · Accepted Answer

Dear Student,

B=μ04π 2mLdd2-L22252=μ04π
2mL30302-L22μ04π
2mL60602-L22=1302-L222602-L22L=30 cm regards

No links please Q). The ratio of the magnetic fields at distances 30 and 60 cm respectively from the centre of a bar magnet is 25 : 2. Determine the length of the magnet. [30 cm]

No links please
Q). The ratio of the magnetic fields at distances 30 and 60 cm respectively from the centre of a bar magnet is 25 : 2. Determine the length of the magnet.

[30 cm]