Electromagnetic Phenomena

A magnetic needle has two poles

• South

• North

• West

• East

Around motionless electric charges there is only ……. field.

• electric

• vortex

• magnetic

• electrostatic

How do magnets interact with different poles?

• repelled

• No way

• Are attracted

• Do not interact

What shape are permanent magnets usually?

• spherical

• Strip

• Cylindrical

• Arcuate

Which of the pictures of the magnetic lines of the magnetic field shown in the figure corresponds to the case of the interaction of the like poles of magnets?

• №1

• №2

• №3

• №1,2

The movement of what particles in an atom is associated with the appearance of magnetic properties?

• Neutrons in the nucleus of an atom

• Electrons

• Protons in the nucleus of an atom

• Nuclei of atoms

Who explained the magnetization of iron?

• 
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• 
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What is a natural magnet?

• Copper ore

• Iron ore

• Aluminum

• Zinc