Home
Class 11
PHYSICS
The electric intesity E, current density...

The electric intesity E, current density j and conductivity `sigma` are related as:

A

`J=E//sigma`

B

`J=sigma//E`

C

`J=sigma^(2)E`

D

`E=sigma^(2)J`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The electric intensity E , current density j and specific resistance k are related to each other by the relation

The electric field E, current density j and conductivity sigma of a conductor are related as

electric current, current density and ohms law

electric current, current density and ohms law

The electric intensity at a pont near a charged conductor having a charge density sigma is

Electric field (E) and current density (J) have relation

The electric intensity at a point near a charged conductor of surface charge density sigma is

RESONANCE-FULL TEST 3-Exercise
  1. A ball is suspended from the top of a cart by a light string of length...

    Text Solution

    |

  2. When an expolsive shell travelling in a parabolic path under the effec...

    Text Solution

    |

  3. A space 2.5cm wide between two large plane surfaces is filled with oil...

    Text Solution

    |

  4. Two identical samples (same material and same amout) P and Q of a radi...

    Text Solution

    |

  5. If two conducting slabs of thickness d1 and d2, and thermal conductivi...

    Text Solution

    |

  6. Three coaxial circular wire loops and a stationary observer are positi...

    Text Solution

    |

  7. The frequency of oscillation of current in the inductor is:

    Text Solution

    |

  8. In the circuit diagram shown

    Text Solution

    |

  9. Find the effective value of current. i=2 sin 100 (pi)t + 2 cos (100 ...

    Text Solution

    |

  10. The electric intesity E, current density j and conductivity sigma are ...

    Text Solution

    |

  11. In the given electrical circuit, the potential difference between poin...

    Text Solution

    |

  12. Which of the following is (are) correct.

    Text Solution

    |

  13. A point source of light is used in a photoelectric effect. If the sour...

    Text Solution

    |

  14. The distance of n^(th) bright fringe to the (n+1)^(th) dark fringe in ...

    Text Solution

    |

  15. The escape velocity of a sphere of mass m is given by

    Text Solution

    |

  16. A uniform electric field in positive x-direction on exists in space. A...

    Text Solution

    |

  17. An electron is revolving around a proton. The total work done in one r...

    Text Solution

    |

  18. Four charges are rigidly fixed along the Y-axis as shown. A positive c...

    Text Solution

    |

  19. As the distance between the plates of a parallel plate capacitor decre...

    Text Solution

    |

  20. The direction of the field B at P is the V shaped wire is in x-y ...

    Text Solution

    |