If a magnet is placed on a plastic plate with pins spread on it, then ________.
None of these
Pins stick all around the magnet
Pins stick at the middle of the magnet
Pins stick at the ends of the magnet
A magnet attracts or repels a magnetic material depending on its polarity. All the pins stick at the two extreme ends of the magnet because the magnetic field is maximum at the ends of the magnet.
If a bar magnet is placed on a plastic plate with pins spread on it, then what happens?
Now we will perform an activity. Follow below steps: 1) Go to the kitchen and take a plastic plate from there. 2) Ask your mother for a few common pins. 3) Take some of the pins and sprinkle it on the plate. 4) Now the best part, Take a magnet and keep it on the same plate.
You will find that all pins are stuck to the magnet. But this was something you might have expected. If you are a keen observer then you might have noticed that the most of the pins were stuck ______.