Physics, asked by indiradevi1986, 8 months ago

A4 wire is doubled on it. Calculate the new resistance of the wire.

Answers

Answered by akshay1821

Explanation:

We consider wire is doubled on it means to fold the length of wire. It means its length will get half and area of cross section will get doubled. Thus, R' = p' l'/A' = p (l /2) ÷ 2A = !/4 (p l / A) = 1/4R = 1/4 × 4 = 1Ω.

Previous Question

Next Question

Similar questions

Science, 4 months ago

chapter two fill in the blanks...

Geography, 4 months ago

II. Match the following Column A Column B 1. Winter season a. South-west monsoon 2. Summer season b. Bay of Bengal 3. Rainy season c. North-east monsoon 4. Cyclones d. Season 5. Mausim e. Dust storm...

English, 4 months ago

fill in the prepositions sentence the chruch is _the hill...

English, 8 months ago

The Holocaust was a systematic elimination and killing ..................... (for, in, with, of) six million Jews ........................ (by, in, to, for) the Nazi rule and its collaborators. The Nazis came to power ........................ (for, in, with, of) Germany in January 1933 and believed that Germans were ‘racially superior’ and that the Jews, deemed ‘inferior’, were a threat...

Math, 8 months ago

In which quadrant or on which axis the following point lie A ( -5 , 3) , B ( 0,-7) , C ( 8,0) and D ( 3, -5)...

Economy, 1 year ago

characteristics of want...

Math, 1 year ago

Find an irrational number between √5 and √6.

Biology, 1 year ago

what is mitochondria?

A4 wire is doubled on it. Calculate the new resistance of the wire.​

Answers

A4 wire is doubled on it. Calculate the new resistance of the wire.