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toiemm44
2 năm trước
Trong đoạn mạch AB có 2 bóng đèn mắc nối tiếp nhau. Kết luận nào dưới đây là chính xác? Hiệu điện thế hai đầu đoạn mạch................ A. bằng tổng hiệu điện thế giữa hai đầu hai bóng đèn B. bằng tích hiệu điện thế giữa hai đầu hai bóng đèn C. bằng tỉ số hiệu điện thế giữa hai đầu hai bóng đèn D. và hiệu điện thế giữa hai đầu mỗi bóng đèn là như nhau
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