Juanita made an electromagnet by placing an iron bar inside a coil of wire and then running current through the wire. after awhile, she turned off the current. what happened to the bar?

Mr. chiu made a dot plot after asking his students a question. based on the dot plot, which statements are correct? check all that apply. eleven students answered mr. chiu's question. twelve students answered mr. chiu's question. three people studied for two hours. three people studied for three hours. everyone who responded studied for at least one hour. four people studied for four or more hours