2. How to wrap an iron rod with a wire so that the rod does not acquire magnetic properties when electricity flows through it?

Which term best describes the phrase “something that happens”?

Apossible explanation for a set of facts that can be tested by further investigation is called

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire