Spec 1PH0
Revise Edexcel GCSE Physics 13.2.5 Advantages of high-voltage transmission with the question bank and revision guides.
Explain the advantages of power transmission in high- voltage cables, using the equations in 10.29, 10.31, 13.7P and 13.10 Use of mathematics Make calculations using ratios and proportional reasoning to convert units ● rates (1c, 3c). Apply the equations linking the p.d.s and numbers of turns in the ● transformer, to the currents and the power transfer involved, and the advantages of power transmission at high voltages (1c, 3b, Make calculations of the energy changes associated with changes in a ● selecting the relevant equations for mechanical, electrical, and thermal express in quantitative form and on a common scale the overall redistribution the system (1a, 1c, 3c). Suggested practicals Investigate factors affecting the generation of electric current by induction. ●.
