a given length of a wire is doubled on itself and this process is repeated once again by what factor does the resistance of the wire change
Answers
Answered by
0
Answer:
16 times the original resistance
Explanation:
Volume remains same ok then if length doubles then the radius becomes √2 times less hence area is halfed . R= pho × ( length/area ) so at first resistance increase by a factor of four and again so it becomes 4×4 of the original
Answered by
6
I think it is useful for you
Attachments:
Similar questions