If a wire is stretched to triple of its original length then its new resistance will become
Answers
Answered by
9
If The wire is stretched 3 times the original length, the cross-section of the wire is cut to 1/3rd it's the original cross-section. Since the resistance of a wire is given by R = rho*l/A the length while cutting the cross-section by 3x, the new resistance will be 9 times the original resistance.
Answered by
1
Answer:
1/3
Step-by-step explanation:
when you stretch a wire to 3 times its original length resistance to breakage will be çalculet by the formula total strength divided by the number of times it was stretched and thus you get 1/3
mark as brainiest hope it helps
peace
Similar questions