Home
Class 12
PHYSICS
Define resistivity....

Define resistivity.

Text Solution

Verified by Experts

Resistivity of the material ofa conductor may be defined as numerically equal to the resistance of unit area of section and unit length of that conductor.
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    SUBHASH PUBLICATION|Exercise TWO MARK QUESTIONS AND ANSWERS|19 Videos

  • CURRENT ELECTRICITY

    SUBHASH PUBLICATION|Exercise THREE MARK QUESTIONS AND ANSWERS|11 Videos

  • COMMUNICATION SYSTEMS

    SUBHASH PUBLICATION|Exercise THREE MARKS QUESTIONS WITH ANSWERS|4 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    SUBHASH PUBLICATION|Exercise NUMERICALS WITH SOLUTIONS|21 Videos

Similar Questions

Explore conceptually related problems

Define stress.

Define resistance. What is the SI unit of resistance?

a] Define electric resistance of a conductor. b] List the factors on which resistance of a conductor depends. c] Resistance of a metal wire of length 1 m is 104Omega" at "20^(@)C . If the diameter of the wire is 0.15 mm, find the resistivity of the metal at this temperature.

Define strain.

Define force.

Define electrical resistivity of a material of a conductor.

Define input resistance, output resistance and current amplification of a transistor.

Define Cistron?

SUBHASH PUBLICATION-CURRENT ELECTRICITY-NUMERICAL PROBLEMS AND ANSWERS
  1. Define resistivity.

    Text Solution

    |

  2. In the given circuit, calculate the effective resistance between A and...

    Text Solution

    |

  3. In the given circuit, calculate the current through the circuit when c...

    Text Solution

    |

  4. In the given circuit, calculate the current through 3Omega resistor, w...

    Text Solution

    |

  5. A battery of internal resistance 3Omega is connected to 20Omega resist...

    Text Solution

    |

  6. A network of resistors is connected to a 12V battery as shown in the f...

    Text Solution

    |

  7. A network of resistors is connected to a 12V battery as shown in the f...

    Text Solution

    |

  8. Two cells of emf 2V and 4V and internal resistance 1Omega and 2Omega r...

    Text Solution

    |

  9. Which two resistors are connected in series with a cell of emf 2V and ...

    Text Solution

    |

  10. Two resistors of resistances 2Omega and 4Omega are connected in parall...

    Text Solution

    |

  11. Three equal resistors connected in series across a source of emf of ne...

    Text Solution

    |

  12. A copper wire has 3xx 10^(22) free electrons in 0.021 m length. The dr...

    Text Solution

    |

  13. A copper wire has 3xx 10^(22) free electrons in 0.021 m length. The dr...

    Text Solution

    |

  14. A cube of side 0.05 m of a material of conductor is drawn into a wire ...

    Text Solution

    |

  15. If the number density of electrons in a conductor is 3 xx10^(28) and t...

    Text Solution

    |

  16. Two resistors 10Omega and 25Omega are connected in series and the comb...

    Text Solution

    |

  17. Four resistors of resistances 2Omega, 1Omega, 3Omega, 4Omega are arran...

    Text Solution

    |

  18. ABCD forms the four arms of a Wheatstone's network. The arms AB, BC, C...

    Text Solution

    |

  19. A battery of emf 10V and internal resistance 3Omega is connected to a ...

    Text Solution

    |

  20. Three resistors 2Omega, 4Omega and 5Omega are connected in parallel. W...

    Text Solution

    |

  21. Three resistors 2Omega, 4Omega and 5Omega are connected in parallel.If...

    Text Solution

    |