Physics, 31.07.2021 14:00 451jonmcco

Cho mạch điện như hình vẽ. Điện trở RMN = R = 12. Ban đầu con chạy C tại trung điểm MN, hiệu điện thế hai đầu mạch U = 12V, điện trở
của vôn kế vô cùng lớn.
a) Tính điện trở tương đương của đoạn mạch và Tìm số chỉ
của vôn kế
b) Phải thay đổi vị trí con chạy C như thế nào để số chỉ vôn kế V không thay
đổi khi tăng hiệu điện thế vào UAB lên gấp đôi.

Cho mạch điện như hình vẽ. Điện trở RMN = R = 12. Ban đầu con chạy C

tại trung điểm MN, hiệu điệ

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 11:50

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?

Answers: 3

Answer

Physics, 22.06.2019 12:00

It is really hard for me right know

Answers: 1

Answer

Physics, 22.06.2019 18:30

Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s

Answers: 1

Answer

Physics, 23.06.2019 05:00

What about a rubber band, can it change its shape? is it a solid?

Answers: 2

Answer

You know the right answer?

Cho mạch điện như hình vẽ. Điện trở RMN = R = 12. Ban đầu con chạy C tại trung điểm MN, hiệu điện...

Questions

Biology, 26.08.2021 07:00

Recalling Interactions among Organisms Identify the interaction described. ✔ commensalism One species benefits and the other speci...

Mathematics, 26.08.2021 07:00

Kendra is making an Insta dance compilation video. She can make it last 1 1/2 of a minute. Each clip she wants to put into the video is exactly 4/6 of...

Mathematics, 26.08.2021 07:00

Can you figure out what 2x° equals and (90-x)°

Mathematics, 26.08.2021 07:00

1 Tim has 5 bags of grapes. Each bag weighs 1/2 pound. How many pounds of grapes does he have? answer ASAP pls ...

Mathematics, 26.08.2021 07:00

Pleasee helpp me to answer all 3 question, i will mark brainliests, please give right answer, thanks 1. Rajah di bawah menunjukkan satu garis lurus...

English, 26.08.2021 07:00

Period of peace between the Vikings and Anglo Saxton was called:...

Biology, 26.08.2021 07:00

A structure that is made up of different kinds of tissue is an?...

English, 26.08.2021 07:00

''How does the narrator's age shape their point of view and build the suspense?'' in question 6 on BIG FINISH on commonlit, help me pleasee, thank you...

Health, 26.08.2021 07:00

What is anger??copied answers will be reported...

Physics, 26.08.2021 07:00

Bắt đầu từ giá trị nào của động năng của các electron thì sai số về bước sóng de Broglie trong quá trình tính toán theo cổ điển sẽ vào cỡ 10%...

English, 26.08.2021 07:00

How can I improve my RACE responses?...

Social Studies, 26.08.2021 07:00

A researcher fails to consider other variables that might contribute to the connection between two variables is NOT accounting for: a) critical bias....

History, 26.08.2021 07:00

Spanish expeditions first traveled into the interior of North America in search of . A. American Indians B. new foods C.

Mathematics, 26.08.2021 07:00

PLEASE HELP ASAP WILL GIVE BRAINLIEST AND POINTS Is the set of points in the image a function yes or no?

Mathematics, 26.08.2021 07:00

Please provide an answer with steps for any of these as an example to follow.

Geography, 26.08.2021 07:00

Jayden is facing North. He turns 90 degrees left. Then turns 180 degrees right. Reverses direction. Turns 45 degrees left. Reverses direction. Then fi...

English, 26.08.2021 07:00

How is health a source of happines...

Mathematics, 26.08.2021 07:00

WILL GIVE BRAINLIEST AND POINTS!! Write an equation for the puzzle then solve.

Mathematics, 26.08.2021 07:00

Solving Problems About Polygons in the Coordinate Plane Apply It > Use what you leamed to solve these problems. Central Park in...

Physics, 26.08.2021 07:00

D = 2x +ý and Č=ý – X 1. Find Ř where Ř=D + Č. xt ý 2. Find Ř all answers should be to 3 sig figs....

More questions: Physics Another questions