Posted by: no_quiero August 26, 2008
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No. all are wrong. Answer
- We will be using the theory that maximum attraction of magnet is at pole.
Lets say A is magnet and B is iron rod. Follow these procedure....
1. Touch the middle part of A with end part of B. Since A is magnet and has very less attraction at the middle you can easily detach A and B.
2. Now touch middle part of B with one end of A. This is the case of touching iron rod (B) with pole of magnet (A). So the attraction will be greater and you need some force to detach it.
- We will be using the theory that maximum attraction of magnet is at pole.
Lets say A is magnet and B is iron rod. Follow these procedure....
1. Touch the middle part of A with end part of B. Since A is magnet and has very less attraction at the middle you can easily detach A and B.
2. Now touch middle part of B with one end of A. This is the case of touching iron rod (B) with pole of magnet (A). So the attraction will be greater and you need some force to detach it.