p3 1.0 / 5 based on 2 ratings ? ScienceElectricityGCSEOCR Created by: Ilsa NazishCreated on: 09-04-13 15:16 transformer an electrical device used to change voltage of alternating currents 1 of 6 national grid high voltage electric power transmission network in the uk. 2 of 6 power rate at which energy is converted from one form to another. 3 of 6 insulation material that is poor conductor of heat. 4 of 6 primary energy source an energy source found in nature that hasn't been converted in any way. 5 of 6 efficiency useful energy output expressed as a percentage of total energy output. 6 of 6
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