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How to Generate Electricity from Magnet

Magnets and Electricity

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Car Lifted by Electro-Magnet

With a strong enough magnet, you can lift a car.

Magnets and electricity

Magnets are different to other objects. In magnets, the electrons in atoms at one end all spin in one direction, and those in atoms at the other end all spin the opposite way. This creates a force of energy around the magnet, called a magnetic field.

Burning Questions

Magnet Diagram

You can turn a piece of iron into a magnet.

What causes a magnetic field?

In most objects, all the atoms inside are balanced – this means half of their electrons spin one way, and half spin the other way. These atoms are spaced randomly in the object.

But magnets are different creatures! Inside a magnet, the atoms at one end contain electrons that all spin in one direction – meanwhile the atoms at the other end contain electrons that all spin in the opposite direction.

Rather than spinning in a balanced way, the electrons all line up. This is what creates the magnetic field around the magnet.

What are the North and South Pole of a magnet?

The North (N) and South (S) Pole of a magnet are the names given to each end of the magnet. The force of the magnetic field flows from its North Pole to its South Pole.

Try it yourself: Hold two magnets close to each other. You’ll find that if you try to push the two North Poles or the two South Poles together, they resist and repel each other. But if you put the North Pole near the South Pole, they attract each other and pull together.

Magnets and Electricity Diagram

Magnets can create energy.

Can you make electricity from magnets?

Yep, just as we can make magnets from electricity, we can also use magnets to make electricity. Here’s how it works:

  • A magnetic field pulls and pushes electrons in certain objects closer to them, making them move.
  • Metals like copper have electrons that are easily moved from their orbits.
  • If you move a magnet quickly through a coil of copper wire, the electrons will move – this produces electricity.

What Do You Mean?

Magnetic fields are areas where an object exerts a magnetic influence (think of it like an invisible field of magnetism).

The North Pole and South Pole are the two ends of a magnet. The North and South Poles of two magnets attract each other, but two Norths or two Souths will repel each other.

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