What will happen as an electron (-) gets closer to a proton (+)

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in

3. which is not a primary color of light? blue red green yellow

You are learning about energy transformations in science class. sally's group made this electromagnet using a battery and some wire. describe the energy transformation you see here. a) electrical to magnetic b) magnetic to electrical c) mechanical to magnetic eliminate d) electrical to chemical