Đơn Vị Của điện Thế Là Vôn (V). 1V Bằng | Cungthi.online

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Câu hỏi

Đơn vị của điện thế là vôn (V). 1V bằng

A.

1 J.C.

B.

1 J/C.        

C.

1 N/C.

D.

1. J/N.

Đáp án và lời giải Đáp án:B Lời giải:

Phân tích: Vì nó là thứ thứ nguyên của các đại lượng trong biểu thức V = A/q.

Chọn đáp án B.

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