Question

Which of the following is one way that an electric motor\'s rotation speed can be controlled?

Answer 1

An electric motor converts electrical energy into mechanical energy, and a generator does the opposite.

An electric motor uses a magnet to create energy, while a generator does not.

A generator uses electrical energy to create energy for a magnet, while a motor does not.

An electric motor converts mechanical energy into electrical energy, and a generator does the opposite.

Answer 2

those are the options ^^

Answer 3

If you are failed, then what do you ask these for?

Answer 4

summer school

Answer 5

haha!

Answer 6

so can you please help me

Answer 7

I think a