question_answer

A bar magnet having centre 0 has a length of 4 cm. Point \[{{P}_{1}}\]is in the broad side-on and \[{{P}_{2}}\] is in the end side-on position with \[O{{P}_{1}}=O{{P}_{2}}=10\] metres. The ratio of magnetic intensities H at \[{{P}_{1}}\] and \[{{P}_{2}}\]is

A) \[{{H}_{1}}:{{H}_{2}}=16:100\]

B) \[{{H}_{1}}:{{H}_{2}}=1:2\]

C) \[{{H}_{1}}:{{H}_{2}}=2:1\]

D) \[{{H}_{1}}:{{H}_{2}}=100:16\]