Home
Class 12
PHYSICS
A potential difference of 3V is applied ...

A potential difference of 3V is applied across a conductor of resistance 1.5 Omega.
Calculate the number of electrons flowing through it in one second. Given charge on electron, `e=1.6 xx10^(-19)C.`

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

A potential difference of 3 V is applied across a conductor of resistance 1.5 Omega . Calculate the number of electrons flowing through the conductor in 1 s. Given, charge on electorn , e = 1. xx 10^-19 C

A potential difference of 200 volt is maintained across a conductor of resistance 100ohm. Calculate the number of electrons flowing through it in one second. Charge on electron e = 1.6 xx10^-19C

A potential difference of 10 V is applied across a conducotr of resistance 1kOmega . Find the number of electrons flowing through the conductor in 5 minutes.

A potential difference of 6 V is applied across a conductor of length 0.12 m. Calculate the drift velcoity of electrons, if the electron mobility is 5.6 xx 10^-6 m^2V^-1s^-1 .

A potential difference of 5 V is applied across a conductor of length 0.1 m. If drift velocity of electrons is 2.5 xx 10^-4 ms^-1 , calculate the electron mobility.

The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. Then the number of electrons striking the target per second is

Caculate the number of electrons moving per second through the filament of a lamp of 100 watt, operating at 200 volt. Given, charge on silver. Electron e = 1.6 xx 10^-19C

A current of 10A is maintained in a conductor of cross-section 10^-4m^2 . If the number density of free electrons be 9 xx 10^28 m^-3 , calcualte the drift velocity of free electrons. Given, charge on electron, e = 1.6 xx 10^-19C

If the potential difference across the ends of a conductor is 1 volt and the current flowing through the conductor is 1 ampere, the resistance of the conductor?

MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
  1. A potential difference of 3V is applied across a conductor of resistan...

    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

    |