Magnetism and Electromagnetism

(a)   poles attract each other.

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(a)   poles repel each other.

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What are the two magnetic poles called?

• North and South

• East and West

• Up and Down

• Left and Right

Invisible areas around magnets where magnetic forces are exerted is called a(n)...

• Magnetic Field

• Magnetic Poles

• Attraction and Repulsion

• Electrical Current

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What is electromagnetism?

• The relationship between electricity and magnetism.

• Electricity produced by friction.

• The area around electric charges.

• A material that slows the flow of heat and electricity.

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A magnet created by wrapping a coil of wire with a current running through it around a core of material that is easily magnetized is called a(n) (a)  

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Which one of these is NOT a common use of an electromagnet?

• Earbuds/Headphones

• MRI Machines

• Speakers

• Motorcycles

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With an electromagnet, increasing the number of coils/wraps around the magnetic core will make the magnetic field stronger.

• True

• False

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SELECT ALL THAT APPLY: A magnetic field produced by a current...

• has strength and direction

• cannot have direction reversed

• cannot have strength changed

• can be turned on/off

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A magnetic field produced by a current forms a (a)  

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