mr. Smith challenged his students to create an electromagnet that will pick up more paper clips than anyone else in the class Timmy is very excited and begins to collect all of the necessary materials he finds a d cell battery and Irondale and a large roll of copper wire what did Jimmy do using just these materials to increase the strength of his electromagnet to pick up the maximum amount of paper clips answer a cut the iron nail in half to use as the core answer be only attached the battery to one end of the nail and cersei increase the number of coils of copper he puts around the nail answer d decrease the number of coils of copper wire he puts around the nail