
TN BÀI 8 K11
Quiz
•
Physics
•
Professional Development
•
Medium
Dong Thi
Used 14+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chọn đáp án sai:
Đơn vị của công suất là:
A. W
B. Hp.
C. J/s.
D. KW.h.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công thức tính điện trở bóng đèn:
A. Rđ = U2đm/ Pđm
B. Rđ = U.I
C. Rđ = P/U
D. Rđ = Uđm.P
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chọn câu đúng.
Công thức tính công của nguồn điện.
A. Ang = Png.I
B. Ang = Png.t
CAng =R.I.t
D. Ang = Png.U
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Đổi: 1 KW.h =…Jun
A. 1 KJ
B. 36.105 J
C. 3,6.105 J
D. 3600 J
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công suất điện được đo bằng đơn vị nào sau đây?
A. Jun( J).
B. Cu Lông( C).
C. Niu tơn( N).
D. Oát( W).
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Điện năng tiêu thụ của đoạn mạch không tỉ lệ thuận với:
A. hiệu điện thế hai đầu mạch.
B. cường độ dòng điện
trong mạch.
C. thời gian dòng điện chạy
qua mạch.
D. nhiệt độ của vật dẫn
trong mạch.
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