Physics, 27.11.2021 14:00 canyonmorlan

02: Một bình ắc quy 24V – 9AH cấp nguồn cho 4 đèn dây tóc 12V – 4W. a. Hãy vẽ sơ đồ nối 4 đèn trên với ắc quy để 4 đèn sáng bình thường?
b. Tính dòng điện chạy trên dây dẫn cấp nguồn cho 4 đèn?
c. Hãy tính thời gian ắc quy có thể cấp nguồn cho đèn. Biết rằng hệ số xả sâu cho phép của ắc
quy là 0,62.

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 05:10

What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n

Answers: 1

Answer

Physics, 22.06.2019 11:00

Positrons are spontaneously emitted from the nuclei of

Answers: 1

Answer

Physics, 22.06.2019 20:40

Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop

Answers: 1

Answer

Physics, 22.06.2019 23:30

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?

Answers: 2

Answer

You know the right answer?

02: Một bình ắc quy 24V – 9AH cấp nguồn cho 4 đèn dây tóc 12V – 4W. a. Hãy vẽ sơ đồ nối 4 đèn trên...

Questions