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Mathematics, 30.11.2021 14:00 georgehall9795

Phát biểu nào sau đây là đúng? Select one:
a. Trong nhánh thuần trở i sớm pha hơn u một góc 900
b. Trong nhánh thuần trở u trễ pha hơn i một góc 900
c. Trong nhánh thuần trở u sớm pha hơn i một góc 900
d. Tất cả các đáp án trên đều sai

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Phát biểu nào sau đây là đúng? Select one:
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