A hand crank generator produces electricity when the handle is turned. The generator is hooked up to a light bulb. When the handle is turned, the light bulb lights up. Which of these is the best explanation of what is occurring here? A) The work done on the handle is converted into electricity and used to light the bulb. B) Turning the handle pushes electrons in a wire through the light bulb. C) The generator excites atoms which makes the atoms glow. D) Kinetic energy is lost and heat is generated.
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