Home
Class 11
PHYSICS
On increasing the temperature of a condu...

On increasing the temperature of a conductor, its resistance increases because

A

relaxation time increases

B

mass of electron increases

C

electron density decreases

D

relaxation time decreases

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ATOMS

    DISHA|Exercise PHYSICS|74 Videos

  • DUAL NATURE OF MATTER AND RADIATION

    DISHA|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

On increasing the temperature of a copper conductor, its resistivity increases. State the reason behind this observation.

Assertion : When temperature of a conductor is increased, its resistance increases. Reason : Free electrons collide more frequently.

On increasing the temperature, the rate of the reaction increases because of:

Assertion: When we increase the temperature of a metal wire then its electrical resistance increases. Reason: When we increase the temperature of a conductor then its relaxation time also increases.

As the temperature of gases increases, its density also increase.

When the temperature of a metallic conductor is increased, its resistance

DISHA-CURRENT ELECTRICITY-PHYSICS
  1. You are given a resistance coil and a battery. In which of the followi...

    Text Solution

    |

  2. The resistance of the coil of an ammeter is R. The shunt required to i...

    Text Solution

    |

  3. On increasing the temperature of a conductor, its resistance increases...

    Text Solution

    |

  4. An electric current is passed through a circuit containing two wires o...

    Text Solution

    |

  5. In a meter bridge experiment, null point is obtained at 20 cm from one...

    Text Solution

    |

  6. In the circuit shown, the current through 8 ohm is same before and aft...

    Text Solution

    |

  7. Find emf E of the cell as shown in figure.

    Text Solution

    |

  8. A torch bulb rated 4.5 W, 1.5 V is connected as shown in Fig. 7.35. Th...

    Text Solution

    |

  9. In a given network, each resistance has value of 6 Omega . The point X...

    Text Solution

    |

  10. If n, e, tau, m, are representing electron density charge, relaxation ...

    Text Solution

    |

  11. 2A cell having an emf epsilon and internal resistance r is connected a...

    Text Solution

    |

  12. If voltage across a bulb rated 220 volt-100 watt drops by 2.5 % of its...

    Text Solution

    |

  13. If specific resistance of a potentiometer wire is 10^(–7 ) Omega m, th...

    Text Solution

    |

  14. Two resistance R(1) and R(2) are made of different material. The tempe...

    Text Solution

    |

  15. Five cells each of emf E and internal resistance r send the same amoun...

    Text Solution

    |

  16. The length of a given cylindrical wire is increased by 100%. Due to th...

    Text Solution

    |

  17. Potentiometer wire of length 1 m is connected in series with 490 Omega...

    Text Solution

    |

  18. See the electrical circuit shown in this figure. Which of the followin...

    Text Solution

    |

  19. In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 f...

    Text Solution

    |

  20. Two sources of equal emf are connected to an external resistance R. Th...

    Text Solution

    |