Physics, asked by Kogami3050, 7 months ago

14.A wire is drawn such that its radius changes from r to 2r. The new resistance is________

Answers

Answered by asma1902

Answer:

The new resistance is 1/4th of the original resistance.

Explanation:

The resistance can be determined by the formula R = rho* L/A where rho is the resistivity of the material, L is the length and A is the cross-sectional area of the wire.

Previous Question

Next Question

Similar questions

Science, 3 months ago

Which of the following statements is incorrect? A. Organisms with primitive body structure are lower organisms. B. Older organisms have simpler body structure. C. Younger organisms are relatively recent organisms in terms of evolutionary time. D. Advanced organisms have more complex body structure.

Social Sciences, 3 months ago

give three points stating the importance of his historic Gettysburg address of Abraham Lincoln...

Math, 3 months ago

Tick() the correct answer in each. The mothers of Akoúlya and Malásha had dressed them both in new frocks because (a) were twins liked to wear frocks (b) had to go to the church Fnata...

Geography, 7 months ago

How on given longitude the local time remains the same...

English, 7 months ago

She worked day and night identify figure of speech and eplain it...

English, 11 months ago

er these questions in 80-100 words each. We could say that Swami was an accidental hero'. Explain this statement examples from the excerpt. een by himin...

Math, 11 months ago

84 percent of 6371 please tell ...

Math, 11 months ago

prime factor of 4052...