What is the mathematical relationship between the radius $(r)$ of a cylindrical conductor and its cross-sectional area $(A)$?
- A$A = \pi r$
- B$A = \pi r^2$
- C$A = 2 \pi r$
- D$A = \pi r^3$
Explore More
Similar Questions
The resistance of a $0.5 \, M$ solution of an electrolyte in a cell was found to be $50 \, \Omega$. If the electrodes in the cell are $2.2 \, cm$ apart and have an area of $4.4 \, cm^2$,then the molar conductivity (in $S \, m^2 \, mol^{-1}$) of the solution is:
Medium
View SolutionWhich of the following decreases on dilution of an electrolytic solution?
Easy
View SolutionThe unit $ohm^{-1}$ is used for
Easy
View SolutionWhat benefit do we get by forming a thin layer of $Pt$ particles on the electrodes of a conductivity cell?
Medium
View SolutionElectrical conductance through metals is called metallic or electronic conductance and is due to the movement of electrons. The electronic conductance depends on
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo