Home
Class 12
PHYSICS
With increase in temperature, resistance...

With increase in temperature, resistance of metals :

A

decreases

B

increases

C

first decreases then increases

D

remains constant

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Electric Charges and Electrostatic Force

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|39 Videos

  • Electric Field

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|35 Videos

Similar Questions

Explore conceptually related problems

Fill ups The solubility of a solute decreases with increase in temperature if dissolution process is…………..and increase with increase in temperature if dissolution is ………………. .

Define 'relaxation time' in a conductor. Explain how it varies with increase in temperature of a conductor. State the relation between resistivity and relaxation time.

Discuss the effect of temperature on resistivity of metals.

What is effect of rise in temperature on the resistivity of metallic conductors and semiconductors ?

PUNJAB BOARD PREVIOUS YEAR PAPERS-Electric Current, Resistance and E.M.F. -Exercise
  1. Which out of the following is used to make standard resistance

    Text Solution

    |

  2. The rings on carbon resistance have colours in the sequence Red,Yellow...

    Text Solution

    |

  3. With increase in temperature, resistance of metals :

    Text Solution

    |

  4. For alloys the value of temperature coefficient of resistance is very ...

    Text Solution

    |

  5. For metallic conductors the value of temperature coefficient of resist...

    Text Solution

    |

  6. S.l. unit of electromotive force is volt. (True/False)

    Text Solution

    |

  7. On what factor does the internal resistance of a cell depends?

    Text Solution

    |

  8. With the help of a diagram derive the formula for the equivalent resis...

    Text Solution

    |

  9. What is the internal resistance of a cell ? How it can be measured ?

    Text Solution

    |

  10. What is Non-ohmic device ? Give one example.

    Text Solution

    |

  11. What is a drift velocity ? Establish the relations between the drift v...

    Text Solution

    |

  12. If drift velocity of electron as well as charge on electron is very sm...

    Text Solution

    |

  13. Define internal resistance of a cell and find an expression for it.

    Text Solution

    |

  14. Establish the relation between drift velocity of electrons and electri...

    Text Solution

    |

  15. The number density of free electrons in a metal piece is a very large ...

    Text Solution

    |

  16. Standard resistance coils are made up of which material why ?

    Text Solution

    |

  17. What is the effect of the temperature on resistivity of metals

    Text Solution

    |

  18. What is the effect of the temperature on resistivity of semiconductors...

    Text Solution

    |

  19. Why connecting wires are made up of copper ?

    Text Solution

    |

  20. What is resistance of a wire ? What are the factors on which resistanc...

    Text Solution

    |