Source: H C Verma's Fundamental of Physics
A very common one!!!
Problem:
You are in a room with no metal objects except for two iron rods.
Only one of them is a magnet.
How can you identify which one is a magnet?
You are in a room with no metal objects except for two iron rods.
Only one of them is a magnet.
How can you identify which one is a magnet?
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