Experimental principle: the force of the magnetic field on the current (left-hand rule, ampere force)
The essentials of using powerful magnets
Powerful magnets are not made of metal in the traditional sense and are easy to break, so they should be handled with care. Don’t let go without a distance when attracting. It is easy to cause the magnet to smash. You should pinch the magnet, slowly approach and push it up from the edge; it is difficult to separate by pulling it vertically. Push it flat to make it stagger and detach.
Keep away from ironware and easily magnetized products, such as monitors, mobile phones, computers, TVs, bank cards, etc., preferably at least 20cm away.
Be careful not to pinch your fingers.
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