What are they Why they are used
Electric systems are similar to mechanical systems but need an electric current to run though them so that they can work. They are normally more advanced and are used everyday like with a cell phone. They involve electrical parts working together to complete something. They are used in things like a lightbulb to even most parts of a spaceship.
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Electric systems are used in advanced things like light bulbs powered by battery (fig 1) and even the majority of a spaceship (fig 2). It can power many important things and can be very new things.
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