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Nguyễn Quốc M. Khuê
2 năm trước

chứng minh P= I^2 * R giúp mình với ạ

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Sáng Lê
2 năm trước

 

 

bichphan8407
2 năm trước

Đáp án+Giải thích các bước giải:

- Ta có:

P = U.I

- Mà: U=I.R

⇒ U.I =R.I.I=R.I2

⇒P=I2.R  (đpcm)

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Put the verbs in the right tense or form. 1. Did you use to …………………… ( play ) tennis last year? 2. He wishes he …………………… ( can ) speak Japanese . 3. Are you used to …………………… ( learn ) your lesson early in the morning ? 4. I wish I …………………… (have) a car. It would make life so much easier. 5. She wishes she …………………… ( know) her address now . Giải thích

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Chỉ ra tất cả từ loại có trong các câu sau: a)Quê hương là chum khế ngọt, Cho con trèo hái mỗi ngày b) Làng tôi ở vốn làm nghề chài lưới Nước bao lâu cách biển nửa ngày sông Mn giúp mình với ạ

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