An electric motor uses which of the following to convert electrical energy into mechanical energy?
electromagnet
battery
generator
transformer

Stars x and y are both bluish main sequence stars. star x has a higher absolute brightness than star y. how do the two stars compare? explain

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

In a system, when potential energy decreases, then entropy also decreases. true false