Q. In order to make an electromagnet you need a
A) Thin coated copper wire
B) Dry cell batteries
C) All of the above
D) Iron nail
✔ Correct Answer: All of the above
Exam Insight
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A) Thin coated copper wire
B) Dry cell batteries
C) All of the above
D) Iron nail
✔ Correct Answer: All of the above
-
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