Which of the following are true about electric motors? A. An armature spins to create kinetic energy.

B. All of these are correct.

C. A horseshoe magnet drives the spin of the armature.

D. The direction of the current is changing direction over and over.

What term describes technology that operates on an atomic level

What does the symbol (–hfus) indicate in a phase change?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules