<p>Soft cylindrical electrical conducting wire has resistance R. It is streat so that its length is doubled but its radius stays constant. What would be the new resistance?</p>
Physics
Miscellaneous
Question 190 of 200
Multiple Choice
R/2
14.25%
Explanation:
R
10.43%
Explanation:
4R
17.62%
Explanation:
2R
57.70%
Explanation:
As R = ρL/A
R ∝ L
If length is doubled then R is also doubled, so R =2R.
Hence, option D is correct
Explanation
As R = ρL/A
R ∝ L
If length is doubled then R is also doubled, so R =2R.
