Home
Class 12
PHYSICS
The potential difference across a given ...

The potential difference across a given copper wire is increased.What happens to the drift velocity of the charge carriers?

Text Solution

Verified by Experts

The correct Answer is:
it increases
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    CHHAYA PUBLICATION|Exercise EXERCISE ( SHORT ANSWER TYPE QUESTION-I)|23 Videos
  • CURRENT ELECTRICITY

    CHHAYA PUBLICATION|Exercise EXERCISE ( SHORT ANSWER TYPE QUESTION-II)|7 Videos
  • CURRENT ELECTRICITY

    CHHAYA PUBLICATION|Exercise EXERCISE ( MULTIPLE CHOICE QUESTION)|32 Videos
  • COMMUNICATION STSTEM

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|28 Videos
  • DIFFRACTION AND POLARISATION OF LIGHT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|27 Videos

Similar Questions

Explore conceptually related problems

IF potential differences V applied across a conductor is increased to 2V,how will the drift velocity of electrons change?

The potential difference across the ends of a wire has been measured to be (100 +- 5) volt and the current in the wire as (10 +- 0.2) ampere. What is the percentage error in the computed resistance of the wire?

An alternating voltage 5V of frequency 50 Hz is connected to a series LCR circuit. The potential difference across the inductor and resistor are 6V and 4V respectively. What is the voltage across the capacitor (in V)?

Three resistance of magnitudes 20Omega,30Omega and 40Omega are connected in series.(i) What is the equivalent resistance? (ii) IF the potential difference across the resistance 20Omega is 1V, calculate the potential differences across the other two resistances and also the total potential difference across the combination.

An electric cell of e.m.f E is connected across a copper wire of diameter d and length l. The drift velocity of electrons in the wire is v_(d) . If the length of the wire is changed to 2l, the new drift velocity of electrons in the copper wire will be

The potential differnce applied across a give resistor is altered that the heat produced per second increase by a Factor of 9 . By what factor does the applied potentail difference change ?

Statement I: In spite of increasing in doping level the conductivity of the semiconductor does not change. Statement II : By increasing in doping level the conductivity the concentration of one type of charge carriers (electrons or holes ) is increased and at the same time concentration of other charge carrier decreases.

IF the length of a copper wire is increased by 0.1%, show that the resistance of the copper wire will increase by 0.2%.

What happens to GFR if blood pressure in the kidney increases?

A potential difference of 5 V is applied across a conductor of length 10 cm. If drift velocity of electrons is 0.00025 m/s, then what is the electron mobility?

CHHAYA PUBLICATION-CURRENT ELECTRICITY -EXERCISE ( VERY SHORT ANSWER TYPE QUESTION)
  1. Two resistances 1 Omega and 2 Omega are connected in parallel and a p...

    Text Solution

    |

  2. What is the value of I in the circuit of Fig.1.64?

    Text Solution

    |

  3. Equivalent resistance in a parallel combination is ...... than each of...

    Text Solution

    |

  4. Two resistance of 6 Omega and 3 Omega are connected in parallel when ...

    Text Solution

    |

  5. A metallic wire of resistance R is folded into two equal parts and the...

    Text Solution

    |

  6. The resistance of an electrical appliance is 200 Omega and it can with...

    Text Solution

    |

  7. The equivalent resistance of two resistances in series is four times t...

    Text Solution

    |

  8. Three resistances,each of 4 Omega, are connected in the form of an equ...

    Text Solution

    |

  9. Name the quantity for which the potential difference of a cell becomes...

    Text Solution

    |

  10. What is the maximum value of current available from a cell of emf 1.5 ...

    Text Solution

    |

  11. IF the through a circuit or the of a cell be zero, then the value of ...

    Text Solution

    |

  12. Emf, of a cell is 1.5 Vand its internal resistance is 1 Omega When the...

    Text Solution

    |

  13. When a stunt of 1 Omega is connected in parallel with a galvanometer 1...

    Text Solution

    |

  14. If the current through a galvanometer of resistance G is to be reduced...

    Text Solution

    |

  15. A shunt of 1 Omega is connected in parallel with a galvanometer of res...

    Text Solution

    |

  16. n electric cells having emf e and internal resistance r each are conne...

    Text Solution

    |

  17. n electric cells of emf e and internal resistance r each are connected...

    Text Solution

    |

  18. In metallic conductor of conventional current is to the direction of f...

    Text Solution

    |

  19. Velocity of electric current is much more than the drift velocity of f...

    Text Solution

    |

  20. The potential difference across a given copper wire is increased.What ...

    Text Solution

    |