renaldo and nasreen build an electromagnet by wrapping a wire around a nail and connecting the wire to both…

renaldo and nasreen build an electromagnet by wrapping a wire around a nail and connecting the wire to both terminals of a battery. when they test the electromagnet, it can pick up 6 paper clips. their teacher wants all groups to pick up at least 10 paper clips. what revisions could renaldo and nasreen make to increase the number of paper clips their electromagnet picks up? a make the wire longer b remove the nail from the center of the wire c increase the number of loops of wire around the nail d spread the loops of wire apart on the nail so they do not touch

renaldo and nasreen build an electromagnet by wrapping a wire around a nail and connecting the wire to both terminals of a battery. when they test the electromagnet, it can pick up 6 paper clips. their teacher wants all groups to pick up at least 10 paper clips. what revisions could renaldo and nasreen make to increase the number of paper clips their electromagnet picks up? a make the wire longer b remove the nail from the center of the wire c increase the number of loops of wire around the nail d spread the loops of wire apart on the nail so they do not touch

Answer

Brief Explanations:

전자석의 자력은 코일의 권선 수에 비례합니다. 권선 수를 늘리면 자력이 강해져 더 많은 지우개 핀을 집어올릴 수 있습니다. 다른 선택지들은 자력을 약화시키거나 자력에 거의 영향을 미치지 않습니다.

Answer:

C. increase the number of loops of wire around the nail