11.Which of the following can make an electromagnetic stronger? A.Increase the number coils of the wire B.Add more dry cell C.Use a bigger core D.All of the above
You can make an electromagnet stronger by doing these things: wrapping the coil around a piece of iron (such as an iron nail) adding more turns to the coil.
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Answer:
D. All of the above
Explanation:
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Answer:
You can make an electromagnet stronger by doing these things: wrapping the coil around a piece of iron (such as an iron nail) adding more turns to the coil.
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