A wire of length has a resistance . It is gradually stretched till its length becomes .
(a) Plot a graph showing variation of its resistance R with its length l during stretching.
(b) What will be its resistance when its length becomes ?
a)
b)
When the wire is stretched the volume remains the same
CBSE Board 12th Exams 2026 LIVE: Class 12 political science exam 'moderate' in difficulty; simple MCQs
CBSE Class 12 Economics Analysis: Students find exam moderately difficult; questions mostly application-based
CBSE Board Exam Analysis 2026 LIVE: Class 12 economics paper 'moderate to difficult level'; updates
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now