Question

A student build a simple electromagnet with copper wire, iron boat and a 1.5 V battery they’ll let your mind it was able to lift a paperclip from 3 cm away. Select three ways the student can increase the strength of his electromagnet.A. He can use a thicker piece of copper wire.B. He can reverse orientation of the battery.c. He can replace the iron boat with the wooden rod.D. He can add a switch between the battery and the iron bolt e. He can replace to 1.5 V battery with a battery of higher voltage.F. He can use a longer piece of wire that wraps more times around the bolt

Answer 1

Three ways the student can increase the strength of his electromagnet are:
A. He can use a thicker piece of copper wire.
D. He can add a switch between the battery and the iron bolt.
F. He can use a longer piece of wire that wraps more times around the bolt.