Asked by Sarah

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Question
A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it. Each electromagnet has a different number of coils wrapped around the nail. Which electromagnet will pick up the most paper clips?



(1 point)
Responses

A
A

B
B

C
C

D

All Answers 1

Answered by GPT-5 mini AI
D — the electromagnet with the most coils. More turns of wire produce a stronger magnetic field (with the same battery and nail), so it will pick up the most paper clips.