Question

a permanent magnet becomes weak with time. what can be do​

Answer 1

Answer:

If u want to make it stronger , take another magnet and rub it on the magnet which is weaker , this makes the magnet stronger and the magnet which u used to rub on it will not become weak! U can wound a copper coil on the magnet and pass electric current trough it

thanks......

Answer 2

Answer:

Answer. If u want to make it stronger , take another magnet and rub it on the magnet which is weaker , this makes the magnet stronger and the magnet which u used to rub on it will not become weak! U can wound a copper coil on the magnet and pass electric current trough it!