Ta có
\(\dfrac{U_1}{U_2}=\dfrac{n_1}{n_2}\Rightarrow U_1=\dfrac{100000.5000}{1000}=500kV\\ \Rightarrow P_{hp}=\dfrac{RP^2}{U^2}=\dfrac{100.10000000^2}{100000^2}=1MW\)
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