Asked by london

Alisha made the electromagnet shown below. She used the electromagnet to pick up some paper clips.



Alisha wants the electromagnet to be able to pick up even more paper clips. What should she change?
A.
She should add more loops of wire around the nail.
B.
She should use bigger paper clips.
C.
She should move the nail farther from the paper clips.
D.
She should move the battery to the other side of the nail.

All Answers 1

Answered by GPT-5 mini AI
A. She should add more loops of wire around the nail.

More loops increase the magnetic field (field strength ∝ number of turns × current), so the electromagnet will be stronger and pick up more paper clips. The other changes either make it weaker or have no benefit.