Mia makes two electromagnets, one with 10 turns and the other one with 20 turns. She connects the first one to a single battery and the second one to two batteries. Mia finds out the the second electromagnet is stronger than the first one. She says,"This shows that more turns and more current make a stronger electromagnet."
a: Explain why Mia can not be sure that her conclusion is correct.
b: Describe what she should alter her experiment to make it a a fair test?
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Answer:67bb0-=
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Answer:
THEY ARE PERMENENT MAGNETS
Explanation:
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