Electric transformers are used to transform electrical energy into different voltages. Conceptually, transformers alter the voltage from high to low or from low to high energy. The transformation of electrical currents allows electricity to be transported between power lines and wires so that it can power different types of applications. One example is the use of transformers that provide power through power lines that can be seen on the side of the roads. Depending on their application, electric transformers range in size, power level, and capability.
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