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Physics, 28.06.2021 21:40, akaeiraspruell
Một electron được gia tốc trong điện trường được tạo bởi một hiệu điện thế 2000 V. Nếu thay đổi hiệu điện thế từ 2000 V lên 8000 V thì vận tốc của electron tăng lên:
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Một electron được gia tốc trong điện trường được tạo bởi một hiệu điện thế 2000 V. Nếu thay đổi hiệu...
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