Science, Physics - Electro magnets Flashcards

1
Q

electromagnet

A
  • a magnet that u can switch on and off
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2
Q

magnetic field

A
  • when there is a electric current flowing thru a wire there is a magnetic field
  • the further away you are the weaker the magnetic field
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3
Q

strength of electromagnet

A
  • no of turns/loops = stronger electromagnet
  • higher current = stronger electromagnet
  • magnetic material = stronger electromagnet
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4
Q

?

A

?

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