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Physics, 02.12.2020 19:00 rhineharttori
The diagram shows an electromagnet made with copper wire, a steel nail,
and a 1.5 V battery. Which change would make this electromagnet weaker?
A. Reverse the direction of the battery
B. Rap more coils around the nail
C. Replace the steel nail with a wooden stick
D. Replace the battery with a 3V battery
Correct answer is C
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Answers: 1
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The diagram shows an electromagnet made with copper wire, a steel nail,
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