Magnetism Question 234
Question: 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 $ OP _{1}=OP _{2}=10 $ metres. The ratio of magnetic intensities H at $ P _{1} $ and $ P _{2} $ is
Options:
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 $
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Answer:
Correct Answer: B
Solution:
Magnetic intensity on end side -on position is twice that of broad side on position.
BETA
