Determine whether the statements are true or false and sort into the appropriate

Question

Determine whether the statements are true or false and sort into the appropriate bins. True False Heating a magnet makes it weaker. When two nearby electrons in a material have their spins aligned, their contributions to the local magnetic field tend to add up. Every electron in an atom behaves like a tiny magnet. Opposite poles attract. When a magnet is broken in half, you end up with a south pole magnet and a north pole magnet. Dropping a magnet makes it stronger, All of the magnetic domains in a magnetic material (such as iron) are aligned in the same direction.

Explanation / Answer

True:

Heating a magnet makes it weaker : Domains get randomly aligned when magnet is heated, so magnet loses magnetism

When two nearby electrons in a material have their spins aligned, their contributions to the local magnetic field add up: Electrons with aligned spins contributes to total magnetic field, while electrons with opposite spins, have zero contribution to magnetic field

Every electron in an atom behaves like a tiny magnet: An electron revolving around nucleus behaves like a current carrying loop with net magnetic field

Opposite poles attract: Like poles repel while unlike poles attract. North and south pole of a magnet attract each other

False:

When a magnet is broken in half, you end up with a south pole magnet and a north pole magnet: Monopoles cannot exist. When magnet is broken into half, we get two magnets

Dropping a magnet makes it stronger: Dropping a magnet causes domains of a magnet to get randomly aligned, making it weaker

All of the magnetic domains in a magnetic material ( such as iron) are aligned in the same direction: Domains of a magnet are aligned in a same direction. Domains of a magnetic material becomes aligned only when it is placed in external magnetic field

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