Physics, 11.08.2021 18:00 JanetQ2002
Tam giác ABC vuông tại A được đặt trong điện trường đều E, α= ABC=60°.AB cùng hướng với E . Biết BC=6cm, hiệu điện thế giữa BC = 120V. a) Tìm hiệu điện thế giữa AC và BA và cường độ điện trường E
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Tam giác ABC vuông tại A được đặt trong điện trường đều E, α= ABC=60°.AB cùng hướng với E . Biết BC=...
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