Question

What way we can adopt to get the same magnetic field of bar magnet? Can we alter this magnetic field? If yes how?​

Answer 1

Here's how to make certain magnets stronger:

Iron bar magnets Fill a bowl or pan with some water. ...

Magnets that have lost their strength Sometimes you can recharge a magnet that has lost some of its original charge. ...

Magnet stacking One way to make weak magnets stronger is by stacking more of them together.