Advertisements
Advertisements
Question
If copper wire is stretched to make its radius decrease by 0.1%, then the percentage change in its resistance is approximately ______.
Options
−0.4%
+0.8%
+0.4%
+0.2%
MCQ
Fill in the Blanks
Solution
If copper wire is stretched to make its radius decrease by 0.1%, then the percentage change in its resistance is approximately +0.4%.
shaalaa.com
Is there an error in this question or solution?
