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Questions and Answers
Which material is typically used to make the conductive wire in an electromagnet?
Which material is typically used to make the conductive wire in an electromagnet?
- Silver
- Gold
- Aluminum
- Copper (correct)
What happens when a current is introduced to the coiled wire of an electromagnet?
What happens when a current is introduced to the coiled wire of an electromagnet?
- The wire becomes non-conductive
- The wire becomes brittle
- A magnetic field is created (correct)
- The wire becomes hot
What happens when like poles of an electromagnet are brought close to each other?
What happens when like poles of an electromagnet are brought close to each other?
- They align with each other (correct)
- They become neutral
- They attract each other
- They repel each other
What happens to the magnetism of an electromagnet when the current is removed?
What happens to the magnetism of an electromagnet when the current is removed?
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What is an example of an application that uses an electromagnet?
What is an example of an application that uses an electromagnet?
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