Công thức tính giá trị điện trở phù hợp là ?
Bai Hoc chiec den ma thuat

Quiz
•
Computers
•
6th - 8th Grade
•
Medium
Đức Sầm
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Ung= I/R
R= R1+R2/R1xR2
R= (ung - Ud)/Id
R=Ung/I
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các mức của tín hiệu số có ?
0 và 1
0 và 5
0 - 255
111111111111111111
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chân Led mặc trên board mặc định là chân nào ?
Tất cả các chân
A0
3-5-6-9-10-11
13
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chân đèn cấu tạo gồm ?
Anode (+)
Cathode(-)
NC
NO
COM
Cathode (+)
Anode(-)
Anode (+)
Cathode(-)
K
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị điện áp cho phép của chân đèn trắng, xanh lá, xanh dương là bao nhiêu ?
1.8 -2 V
5mm
1.8 -2.4 V
3 mm
2.2 - 3.2 V
3 mm
2.2 - 3.2 V
5 mm
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