Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The resistance of a wire is  . It's new resistance in ohm if stretched to <img alt="5" src="https://ent

The resistance of a wire is 5\Omega . It's new resistance in ohm if stretched to 5 times of it's original length
will be :

Option: 1

25


Option: 2

125


Option: 3

5


Option: 4

625


Answers (1)

best_answer

\begin{aligned} R_{\text {new }} & =n^2 R \\ & =(5)^2 \times 5 \\ & =125 \end{aligned}

Posted by

qnaprep

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2026: Wider gap in NIT cut-offs for home and other-state quotas; outsiders need better rank
anam-khan

JEE Mains 2026: Use of calculator 'not allowed’ says NTA; cites ‘typographical error' in information bulletin
anam-khan

JEE Main 2026: NIT Warangal attracts best talent with high BTech cut-offs in top, emerging branches

Latest Question