Electromagnets
Flashcard
•
Physics
•
8th Grade
•
Practice Problem
•
Easy
Renita Gray
Used 1+ times
FREE Resource
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6 questions
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1.
FLASHCARD QUESTION
Front
What device is the diagram below representing?
Back
Electromagnet
2.
FLASHCARD QUESTION
Front
Which of the following answers the best completes this hypothesis about electromagnets?
Back
A. IF the wire is coiled more times around the nail, THEN the strength of the electromagnet will increase
3.
FLASHCARD QUESTION
Front
In an electromagnet, a current is passed through loops of wire that surround a core. Which material would be best to use as the core of an electromagnet?
Back
A steel screw
4.
FLASHCARD QUESTION
Front
Which objects could you combine to build an electromagnet?
Back
Copper wire, source of electric current, steel screw
5.
FLASHCARD QUESTION
Front
Which action increases the strength of the magnetic field around an electromagnet?
Back
Increase the number of coils of the wire around the iron core
6.
FLASHCARD QUESTION
Front
How can a nail become magnetized in an electromagnet?
Back
The electricity running through the wire produces a magnetic field and magnetizes the iron.
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