Home
Class 12
PHYSICS
A 10 C charge flows through a wire in 5 ...

A 10 C charge flows through a wire in 5 minutes. The radius of the wire is 1mm. It contaisn` 5 xx 10^22` electrons pper centimeter`s^3`. Calculate the current and drift velocity.

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 current of 2.4 A flows through a wire of cross-sectional area 1.5 mm^2 . Find the current density in the wire. If the wire contains 8 xx 10^28m^-3 elecrtrons per unit volume calculate the average relaxation on time. Given that charge on electron = 1.6 xx 10^-19C and mass of electron =9.1 xx 10^-31 kg.

How many electrons pass through a wire in 5 minutes, if the current through the wire is 400 mA?

60 coulomb of charge flows through a circuit for 5 minutes. Calculate the current flowing in a circuit.

How many electrons pass through a wire in 1 minute if the current passing through the wire is 200 Ma?

If 2.25 xx 10^20 electrons pass through a wire in one minute, find the magnitude of the current flowing through the wire.

In a wire of cross-section radius r, free electrons travel with drift velocity v when a current I flows through the wire. What is the current in another wire of half the radius and of the same material when the drift velocity is 2v?

A conductor with a cross-section of 10^-4m^2 carries an electric current of 1.2 A. If the number of the free electrons are 5xx10^28m^-3 , calculate the electron drift velocity. Charge on the electron, e = 1.6 xx 10^-19C

A wire of length 2.0 m, diameter 1.0 mm has 50 xx 10^-3 Omega (ohm) resistance. Calculate the resistivity of the material of a wire.

A current of 1.8 A flows through a wire of cross-sectional area 0.5 mm^(2) ? Find the current density in the wire. If the number density of conduction electrons in the wire is 8.8 xx 10^(28) m^(-3) , find the drift speed of electrons.

MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
  1. A 10 C charge flows through a wire in 5 minutes. The radius of the wir...

    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

    |