Strength of Electromagnets WB Quiz
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- Question 1 of 15
1. Question
Select ALL of the ways you can increase the strength of a motor. (3 choices)
- Question 2 of 15
2. Question
The         the wire size, the        electrical current can flow and          electrical resistance.
- Question 3 of 15
3. Question
What is a potential danger of increasing the current too much in an electromagnet?
- Question 4 of 15
4. Question
What is the role of the battery in the electromagnet?
- Question 5 of 15
5. Question
Order the iron cores from strongest to weakest, with strongest at the top.
- Steel core
- Neodymium core
- Plastic core
- Iron core
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- Question 6 of 15
6. Question
The graph below shows that the
- Question 7 of 15
7. Question
Which iron core will increase the strength of an electromagnet the most? Explain why.
- Question 8 of 15
8. Question
In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core. - Question 9 of 15
9. Question
How can you increase the strength of an electromagnet? Select all that apply. (3 choices)
- Question 10 of 15
10. Question
Select ALL of the following factors that affect the strength of an electromagnet. (4 choices)
- Question 11 of 15
11. Question
What would happen if you took one end of the wire off the battery?
- Question 12 of 15
12. Question
Select ALL of the following that you need to make an electromagnet. (3 choices)
- Question 13 of 15
13. Question
What is created around a nail when electric current is ran through the wire surrounding the nail?
- Question 14 of 15
14. Question
What is a benefit of electromagnets compared to permanent magnets?
- Question 15 of 15
15. Question
How is an electromagnet made?