Computers and Technology, 24.07.2021 01:10 JamesLachoneus

Câu 8. Một bóng đèn có công suất 90W, hoạt động bình thường và liên tục trong 2 giờ . Điện năng bóng đã tiêu thụ 1 ngày là: A. 40Wh. B. 24Wh. C. 60Wh. D. 180Wh.

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Câu 8. Một bóng đèn có công suất 90W, hoạt động bình thường và liên tục trong 2 giờ . Điện năng bóng...