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The Earth's core which is thought to consist of large quantities of molten iron in the center rotates with the earth creating a magnetism which protect us from solar flares e.t.c without this magnetism solar "winds" would wipe our atmosphere away from us in a matter of moments

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12y ago

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What is a device that has a magnetized needle that can spin freely?

A compass has a magnetized needle that can spin freely.


What magnetized steel needle that aligns with the magnetic of the earth is a?

A compass needle is a magnetized steel needle that aligns with the Earth's magnetic field. Its use allows for determining directions such as north, south, east, and west.


Are compasses always magnetized?

If a compass loses its magnetization, then it's no longer a compass; it's nothing but aneedle on a pivot, pointing in random directions.


Cans of food in your kitchen are likely magnetized Why?

The magnetic field of Earth induces the cans of food to have north and south poles, and so they are magnetized to some degree.


What are materials that are more difficult to magnetize but tend to stay magnetized?

Some examples of materials that are more difficult to magnetize but tend to stay magnetized include hard magnetic materials like Alnico and certain types of ferrite. These materials have high coercivity, which means they require a stronger magnetic field to magnetize initially but can retain their magnetization once magnetized.


A device that has a magnetized needle that spins freely?

The device you are describing sounds like a compass. The magnetized needle aligns with the magnetic field of the Earth, allowing users to determine their direction relative to the north.


Where does the needle point when you sail with a magnetized needle?

When you sail with a magnetized needle, it will point towards the magnetic north pole. This is because the needle aligns itself with the Earth's magnetic field, which is used for navigation purposes.


Can nickel be magnetized?

Yes, nickel can be magnetized.


Can lead be magnetized?

No, lead cannot be magnetized.


Is copper magnetized?

No, copper is not naturally magnetized.


In a magnetized object most of the domains point?

To Earth's Magnetic Pole in the Northern Hemisphere


If your are given three iron rods how would you know which one is not magnetized?

The not magnetized rod will be attracted by both of the magnetized rods.