STEP UP TRANSFORMER - a device which increases the out put voltage, STEP-DOWN TRNSFORMER - a device which decreases the output voltage, ELECTRICITY - a form of energy made up of charges that can produce light ,heat and motion . AN PRODUCE LIGHT,HEAT OR MOTION, TRANSMISSION - lines- carry electric energy from one point to another in an electric power system., ELECTRIC POWER DISTRIBUTION - a final in the delivery of electric power,

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