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Guide Questions

1. Based on the activity, how do you know whether an electromagnet has increased its strength?
2. How does the number of turns/coils of wire affect the strength of electromagnet?
3. How does the number of dry cells affect the strength of electromagnet?
4. How does the size of the nail or iron core affect the strength of electromagnet?
5. What are the different factors that affect the strength of an electromagnet?


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Sagot :

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Question:

1. Based on the activity, how do you know whether an electromagnet has increased its strength?

2. How does the number of turns/coils of wire affect the strength of electromagnet?

3. How does the number of dry cells affect the strength of electromagnet?

4. How does the size of the nail or iron core affect the strength of electromagnet?

5. What are the different factors that affect the strength of an electromagnet?

Answer:

1.The magnetic field strength of an electromagnet is therefore determined by the ampere turns of the coil with the more

2.We can say that, the strength of the electromagnet is directly proportional to the number of turns in the coil. If you double the number of turns, you double the strength of the electromagnet.

3.The electro magnet become stronger

4.The iron core increases the coil's magnetic field strength. A simple electromagnet is made by coiling wire around an iron nail.

5.The four main factors that affect the strength of an electromagnet are the loop count, the current, the wire size, and the presence of an iron core.

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