What is the resistivity of a perfect conductor?

  • A
    Zero
  • B
    Infinity
  • C
    Very high
  • D
    Depends on the material

Explore More

Similar Questions

For which of the following does the resistance decrease upon increasing the temperature?

If a conducting wire of length $L$ is uniformly stretched to double its length, then its conductivity becomes . . . . . . .

Tungsten wire is used to make standard resistors because...

The specific resistance of a wire is $\rho$,its volume is $3\,m^3$ and its resistance is $3\,\Omega$. Then its length will be:

If a copper wire is stretched to increase its length by $20 \% $,the percentage increase in resistance of the wire is $..........\%$.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo