A cylinderical wire is stretched so that its length increases by 100%. Assuming density…
Physics · JEE Main · NTA Exams — Current Electricity
A cylinderical wire is stretched so that its length increases by 100%. Assuming density of wire to be constant during its stretch, the change in the resistance of the wire will be:
- 300%
- 200%
- 100%
- 50%
Answer
(A) 300%
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