Ellie made an electromagnet with wire, a nail, and a 2.5-volt battery. The electromagnet attracted a paper clip from 2 inches away. What action will make the electromagnet weaker? (1 point) Responses She can use a thicker piece of wire. She can use a thicker piece of wire. She can use a higher voltage battery. She can use a higher voltage battery. She can wrap the wire more times around the nail. She can wrap the wire more times around the nail. She can decrease the number of coils around the nail.

Question

Ellie made an electromagnet with wire, a nail, and a 2.5-volt battery. The electromagnet attracted a paper clip from 2 inches away.  What action will make the electromagnet weaker?  (1 point) Responses  She can use a thicker piece of wire. She can use a thicker piece of wire.  She can use a higher voltage battery. She can use a higher voltage battery.  She can wrap the wire  more times around the nail. She can wrap the wire  more times around the nail.  She can decrease the number of coils around the nail.

GPT 3.5 · Answer

She can decrease the number of coils around the nail.