Question:
A cylindrical wire is stretched to increase its length by 10%. Percentage increase in its resistance is:
A cylindrical wire is stretched to increase its length by 10%. Percentage increase in its resistance is:
Updated On: Jan 30, 2025
Hide Solution
Verified By Collegedunia
Correct Answer: 21
Solution and Explanation
The correct answer is 21 %
Was this answer helpful?
0
0
Top Questions on Resistance
- A wire of resistance \(R\) is cut into 8 equal pieces. From these pieces, two equivalent resistances are made by adding four of these together in parallel. Then these two are added in series. The net effective resistance of the combination is:
- NEET (UG) - 2025
- Physics
- Resistance
- If R is the resistance of a conductor of length l, then
- AP POLYCET - 2024
- Physics
- Resistance
- A resistor of wire 24 cm length and resistance 8Ω is stretched into a uniform wire of 48 cm length, then the new resistance will be:
- COMEDK UGET - 2023
- Physics
- Resistance
- Calculate the temperature (in K) at which the resistance of a metal becomes 20% more than its resistance at 300 K. The value of the temperature coefficient of resistance for this metal is \(2.0 \times 10^{-4}\)/K.
- IIT JAM BT - 2022
- Physics
- Resistance
- Three resistors of 1 Ω, 0.1 Ω and 0.01 Ω are connected in series combination. Their equivalent resistance is
- AP POLYCET - 2022
- Physics
- Resistance
View More Questions
Questions Asked in VITEEE exam
- Find the value of \( x \) in the equation \( 2x + 3 = 7x - 8 \).
- VITEEE - 2025
- Algebra
- A convex lens has a focal length of 10 cm. What is the magnification produced when the object is placed 30 cm from the lens?
- VITEEE - 2025
- spherical lenses
- A ball is dropped from a height of 20 m. What is its velocity just before hitting the ground? (Take \( g = 9.8 \, \text{m/s}^2 \))
- VITEEE - 2025
- Motion in a straight line
- Solve for \( x \) in the equation \( \frac{2x - 3}{4} = 5 \).
- VITEEE - 2025
- Linear Equations
- Find the value of \( x \) in the equation \( 4(x - 2) = 3(x + 5) \).
- VITEEE - 2025
- Linear Equations
View More Questions