If the length of a copper wire has a certain resistance R, then on doubling the length its specific resistance:
A. will be doubled
B. will become \(\frac{1}{4}\)th
C. will become 4 times
D. will remain the same
Answer:D
If the length of a copper wire has a certain resistance R, then on doubling the length its specific resistance:
A. will be doubled B. will become \(\frac{1}{4}\)th C. will become 4 times D. will remain the same