Home
Class 12
PHYSICS
Which material has least value of resist...

Which material has least value of resistivity.

Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT. RESISTANCE AND E.M.F

    MODERN PUBLICATION|Exercise EXERCISE|64 Videos

  • DISPERSION

    MODERN PUBLICATION|Exercise EXERCISE|54 Videos

  • ELECTRIC FIELD

    MODERN PUBLICATION|Exercise EXERCISE|95 Videos

Similar Questions

Explore conceptually related problems

Which has highest pk_a value?

Which of the elements show least values of ionisation energies within their periods?

Which thermosetting material is versatile, heat resistant and fireproof?

Name any one material having a small value of temperature coefficient of resistance. Write one use of this material.

The stress-strain graphs for materials A and B for two materials are show in the figure Which material has greater Young's modulus?

A cylindrical conductor of length l and uniform are of cross section A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section.

A cylindrical conductor of length l and uniform are of cross section A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section.

Resistance of a metal of length 1 m is 26 Omega at 20^@C If the diameter of the wire is 0-3mm What will be the resistivity of the metal at that temperature?Using standard table of resistivity of various metals,predict the material of the wire.

MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
  1. Which material has least value of resistivity.

    Text Solution

    |

  2. What is drift velocity of electrons? How do you explain the flow of cu...

    Text Solution

    |

  3. Derive an expressions between drift velocity of elctron and electric c...

    Text Solution

    |

  4. Define drift velocity of electricity and establish its relation with v...

    Text Solution

    |

  5. Explain the term drift velocity of electrons. Hence obtain the express...

    Text Solution

    |

  6. Prove that the current density of a metallic conductor is directly pro...

    Text Solution

    |

  7. Define 'relaxation time' in a conductor. Explain how it varies with in...

    Text Solution

    |

  8. What is the effect of temperature on relaxation time in a metal?

    Text Solution

    |

  9. Derive an expression for drift velocity of free electrons in a conduct...

    Text Solution

    |

  10. Define relaxation time of the electrons drifting in a conductor. How i...

    Text Solution

    |

  11. What is drift velocity?

    Text Solution

    |

  12. What are ohmic and non-ohmic resistors? Give one example of each.

    Text Solution

    |

  13. Deduce Ohm's law using the concept of drift velocity.

    Text Solution

    |

  14. Discuss the various situations, which describe the failure of Ohm's la...

    Text Solution

    |

  15. Resistance of a conductor depends on:

    Text Solution

    |

  16. Resistance of a conductor depends on:

    Text Solution

    |

  17. On what factors resistivity of the material depend?

    Text Solution

    |

  18. Explain how the resistivity of a conductor depends upon relaxation tim...

    Text Solution

    |

  19. Define 'relaxation time' in a conductor. Explain how it varies with in...

    Text Solution

    |

  20. Define the term resistivity and write its S.I. unit. Derive the expres...

    Text Solution

    |

  21. What do you understand by electrical resistivity and give its relation...

    Text Solution

    |