Questions


December 2022 1 5 Report
12. Trace the path of electricity from the generating station, transmission station and residential area.
I. The steam powers a turbine which spins a huge magnet inside a copper wire. Heat energyconverts to mechanical energy which then converts to electrical energy in the generator.
II. The electric current then runs through the power lines to the substation transformer wherevoltage is lowered to between 2000 and 13000 volts.
III. From there, electricity comes into your home through a service box, where your meter is
located to measure how much you use. Wires take electricity around your home, poweringyour lights and all your other electrical appliances.
IV. Electricity is then taken through the lines to a pole transformer – or a transformer box ifunderground – and voltage is lowered again to 120 or 220 or 240 volts.
V. Steam is generated in the power plant by the burning of fossil fuels or by nuclear fission orgeothermal energy.
VI. Electricity flows from the power plant through wires to the step up transformer. The transformer raises the voltage so it can travel long distances – it is raised to as high as 756,000 volts.
A. V, II, VI, IV, I, III B. V, I, VI, II, IV, III C. V, II, I, IV, VI, III D. V, IV, VI, I, II, III

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