Home
Class 12
PHYSICS
What do, you mean by current density? Wh...

What do, you mean by current density? What is the relation between current density `(vec j )` and conductivity`(sigma)` ?

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER SET-13

    UNITED BOOK HOUSE|Exercise EXERCISE|29 Videos
  • MODEL PAPER SET-15

    UNITED BOOK HOUSE|Exercise EXERCISE|39 Videos

Similar Questions

Explore conceptually related problems

What do you mean by SPM?

What do you mean by MTP?

What do you mean by PAR?

What do you mean by JFM?

What do you mean by ETC?

What do you mean by TLV?

What do you mean by entropy?

What do you mean by trait?

what do you mean by edema

UNITED BOOK HOUSE-MODEL PAPER SET-14-EXERCISE
  1. In a metal maximum magnetic permittivity is0.126 Tm//A, What will be ...

    Text Solution

    |

  2. Why any object get heated easily in microwave if it has moisture in it...

    Text Solution

    |

  3. The electron in a hydrogen atom is in n=2 state. When it drops to the ...

    Text Solution

    |

  4. Write down two importances of modulation for signal transferring

    Text Solution

    |

  5. What type,of wave is used for LOS [Line of Sight Model]? What is the r...

    Text Solution

    |

  6. A parallel plate capacitorjs charged by a battery and then the battery...

    Text Solution

    |

  7. A 600pF Capacitor is connected with a 200V battery .After removing th...

    Text Solution

    |

  8. Obtain for the magnetic induction, vector at a point on the axis of a ...

    Text Solution

    |

  9. State the Einstein photoelectric equation.

    Text Solution

    |

  10. The de Broglie wavelength of a proton and an electron are same, then w...

    Text Solution

    |

  11. A photon and a proton have the same de – Broglie wavelength λ.Show tha...

    Text Solution

    |

  12. What do, you mean by current density? What is the relation between cur...

    Text Solution

    |

  13. Two cells having emf l.5Vand 2V have internal resistance 0.2 Omega and...

    Text Solution

    |

  14. A generator supplied power to a factory through cables of total resist...

    Text Solution

    |

  15. A 20 Omega wire is used to supply current in a'circuit. If 5000V be th...

    Text Solution

    |

  16. Define Mutual inductance.

    Text Solution

    |

  17. The rate change of flux change inside on core of self inductance 0.5 H...

    Text Solution

    |

  18. Draw the variation of Capacitive reactance with the change in frequenc...

    Text Solution

    |

  19. A pure inductive coil is connected between the sides of an AC source....

    Text Solution

    |

  20. Obtain the relation between brewster’s angle and the refractive index ...

    Text Solution

    |