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In many distribution systems for electrical energy, the energy is transmitted using alternating current at high voltages. Suggest and explain an advantage, one in each case, for the use of
alternating voltages,
high voltages.
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An advantage of using alternating voltages is that alternating voltages can change output voltage efficiently. This will suit different appliances using transformers.
An advantage of using high voltages is that the current is smaller with the same power. This therefore helps to reduce heating in cables.
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