Home
Class 12
PHYSICS
When a steady current passes through a c...

When a steady current passes through a cylindrical conductor, is there an electric field inside the conductor?

Text Solution

Verified by Experts

Under the electrostatic conditions (when no current flows), `E=0`. When current is non zero,then electric field is also non zero.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    DC PANDEY ENGLISH|Exercise Level 2 Single Correct|26 Videos
  • CURRENT ELECTRICITY

    DC PANDEY ENGLISH|Exercise Level 2 More Than One Correct|10 Videos
  • CURRENT ELECTRICITY

    DC PANDEY ENGLISH|Exercise OBJECTIVE_TYPE|1 Videos
  • COMMUNICATION SYSTEM

    DC PANDEY ENGLISH|Exercise Subjective|11 Videos
  • ELECTROMAGNETIC INDUCTION

    DC PANDEY ENGLISH|Exercise Medical entrances gallery|25 Videos

Similar Questions

Explore conceptually related problems

a. A steady current flows in a metallic conductor of non - uniform cross section. State which of the quantities i.e., current density, electric field, and drift velocity remain constant? b. A steady current passes through a cylindrical conductor. Is there an electorn field inside the conductor?

When no current is passed through a conductor,

A steady electric current is flowing through a cylindrical conductor. Then,

A current is passing through a cylindrical conductor with a hole (or cavity) inside it. Show that the magnetic field inside the hole is uniform and find its magnitude and direction.

When a current flows through a conductor, its temperature

Why should electrostatic field be zero inside a conductor ?

How does electric current flow along a conductor , when electric field is applied along the length of conductor ?

Assertion : Current flows in a conductor only when there is an external electric field within the conductor. Reason: The drift velocity of the electrons is directly proportional to the electric field.

One of your friends argues that he has read in previous chapters that there can be no electric field inside a conductor. And hence there can be no current through it.What is the fallacy in this argument?

The average velocity of electrons in a conductor in the absence of electric field is