Physics

Physics, 16.06.2021 15:30, cristinamiu8169

Một dây chì có đường kính tiết diện ngang 1,2 mm. Nếu mật độ dòng điện
giới hạn của chì là 450 A/cm2 sẽ thì
cường độ dòng điện giới hạn chạy qua
dây chì này là bao nhiêu?

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Một dây chì có đường kính tiết diện ngang 1,2 mm. Nếu mật độ dòng điện
giới hạn của chì là 45...

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