Home
Class 12
PHYSICS
The specific resistance of a conductor i...

The specific resistance of a conductor increases with:

A

increase in temperature

B

increase in cross-section area

C

increase in cross-section and decrease in length.

D

decrease in cross-section area.

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    ALLEN|Exercise EXERCISE (J-A)|6 Videos
  • GEOMETRICAL OPTICS

    ALLEN|Exercise subjective|14 Videos

Similar Questions

Explore conceptually related problems

The resistance of a conductor increases with

The resistance of a conductor is

The resistance of a metallic conductor increases with temperature due to.

Assertion: The resistance of a conductor increases with an increase in temperature. Reason: While experimenting, a jockey is touched gently on a wire and it should not be pressed hard.

By increasing the temperature, the specific resistance of a conductor and a semiconductor

ALLEN-CURRENT ELECTRICITY-All Questions
  1. A galvanometer of resistance 100Omega gives full scale deflection for ...

    Text Solution

    |

  2. For changing the range of a galvanometer with G ohm resistance fromV v...

    Text Solution

    |

  3. The specific resistance of a conductor increases with:

    Text Solution

    |

  4. For a cell terminal potential difference is 2.2 V when circuit is open...

    Text Solution

    |

  5. N identical cells whether joined together in series or in parallel, gi...

    Text Solution

    |

  6. The potential difference between the points A and B in the following c...

    Text Solution

    |

  7. Length of a potentiometer wire is kept long and uniform to ahcieve:-

    Text Solution

    |

  8. Consider four circuits shown in the figure below. In which circuit pow...

    Text Solution

    |

  9. Find the equivalent resistance across AB :

    Text Solution

    |

  10. There are three voltmeters of the same range but of resistance 10000 O...

    Text Solution

    |

  11. In the circuit element given here, if the potential at point B = V(B) ...

    Text Solution

    |

  12. A copper wire has a square cross-section, 2.0 mm on a side. It carr...

    Text Solution

    |

  13. The emf of a battery is 2V and its internal resistance is 0.5Omega the...

    Text Solution

    |

  14. The potential difference across the 100 Omega resistance in the follow...

    Text Solution

    |

  15. The equivalent resistance between the point P and Q in the network giv...

    Text Solution

    |

  16. When connected across the terminals of a cell, a voltmeter measures 5 ...

    Text Solution

    |

  17. Thirteen resistances each of resistance R ohm are connected in the cir...

    Text Solution

    |

  18. A group of N cells whose emf varies directly with the internal resista...

    Text Solution

    |

  19. A galvanometer has resistance 36Omega if a shunt of 4Omega is added wi...

    Text Solution

    |

  20. If 10^(6) electrons/s are flowing through an area of cross section of ...

    Text Solution

    |