Aly made an electromagnet with wire and nail in a 2.5 V battery electromagnet attracted a paperclip from 2 inches away. One action will make an electromagnet weaker.A. She can use a thicker piece of wire.B. She can use a higher voltage battery.C. She can wrap the wire more times around the nail.D. She can decrease the number of coils around the nail.
1 answer
D. She can decrease the number of coils around the nail.