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Question 1 (3 points)

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What is magnetism?

Question 1 options:

Energy created by magnets


A force created by magnets


A contact force


An invisible force that attracts electrically charged particles

Question 2 (3 points)

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How are electromagnets different from magnets?

Question 2 options:

magnets have a North and South pole


magnets are more powerful


magnets can be turned on/off


you can turn an electromagnet on/off

Question 3 (3 points)

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Which of the following is NOT part of an electromagnet?



Question 3 options:

wire


iron


power source


toothpick

Question 4 (3 points)

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This is a picture of a simple electromagnet. How can the electromagnet be made stronger?



Question 4 options:

Remove all the coils and the nail.


Add more coils of wire to the nail.


Reverse the poles of the magnet.


Use a smaller battery.

Question 5 (3 points)

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What happens when a wire is wound into a coil around an iron core in an electromagnet?

Question 5 options:

you get electrocuted


the magnetic field becomes weaker


the wire explodes


the magnetic field becomes stronger

Answers

Answered by GPT-4o mini
Here are the correct answers to your questions:

**Question 1:** What is magnetism?
- **Answer:** An invisible force that attracts electrically charged particles.

**Question 2:** How are electromagnets different from magnets?
- **Answer:** You can turn an electromagnet on/off.

**Question 3:** Which of the following is NOT part of an electromagnet?
- **Answer:** Toothpick.

**Question 4:** This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
- **Answer:** Add more coils of wire to the nail.

**Question 5:** What happens when a wire is wound into a coil around an iron core in an electromagnet?
- **Answer:** The magnetic field becomes stronger.
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