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
D

Answer 1

The electromagnet with the most coils (the one with the greatest number of turns) will pick up the most paper clips — choose the option that shows the most coils (e.g., D).