When there is an electric current through a conducting wire along its length,then an electric field must exist

  • A
    Outside the wire but normal to it
  • B
    Outside the wire but parallel to it
  • C
    Inside the wire but parallel to it
  • D
    Inside the wire but normal to it

Explore More

Similar Questions

Why is the average velocity of an electron at time $t$ equal to zero in the absence of an external electric field?

There is a current of $20 \, A$ in a copper wire of $10^{-6} \, m^2$ area of cross-section. If the number of free electrons per cubic meter is $10^{29}$,then the drift velocity is:

Drift velocity $V_d$ varies with the intensity of electric field $E$ as per the relation:

$A$ wire of non-uniform cross-section is carrying a steady current. Along the wire,

Suppose a current-carrying wire has a cross-sectional area that gradually becomes smaller along the wire,having the shape of a very long cone as shown in the figure. Choose the correct statement.

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