Home
Class 9
PHYSICS
n electrons flow through a cross section...

n electrons flow through a cross section of a conductor in time t. If charge on an electron is e, then write an expression for the current in the conductor.

Text Solution

Verified by Experts

The correct Answer is:
`(ne)/(t)`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    ICSE|Exercise Exercise-9(A)Multiple choice|3 Videos
  • CURRENT ELECTRICITY

    ICSE|Exercise Exercise-9(A)Numericals|3 Videos
  • CURRENT ELECTRICITY

    ICSE|Exercise Exercise-9(C ) Multiple choice|2 Videos
  • ELECTRICITY AND MAGNETISM

    ICSE|Exercise TOPIC 2 Magnetism (4 Marks Questions )|6 Videos

Similar Questions

Explore conceptually related problems

A charge 0.5 C passes through a cross section of a conductor in 5 s . Find the current.

If n,e,A and v_(d) are free electron density inside conductor , charge of electron , area of cross-section of conductor and drift velocity of free electrons inside conductor, then current l through the conductor is

Which of the follwing characteristies of electrons determines the current in a conductor?

Which of the follwing characteristies of electrons determines the current in a conductor?

Which of the follwing characteristies of electrons determines the current in a conductor?

Explain how electrons flow in a conductor?

Charge through a cross-section of a conductor is given by Q = ( 2t^(2) + 5t) C . Find the current through the conductor at the instant t = 2 s .

If charge through a cross-section of a conductor at timetis q= 2t^(2) +3t+1 . Find the current at t = 2s.

Relation between current in a conductor and time is shown in fig. Write the expression of current in terms of time.

A conductor carries a current of 0.2 A . Find the amount of charge that will pass through the cross-section of the conductor in 30 s . How many electrons will flow in this time interval if the charge on one electron is 1.6 xx 10^-19 C ?

ICSE-CURRENT ELECTRICITY-Exercise-9(A)
  1. What is an electric cell ?

    Text Solution

    |

  2. What transformation of energy takes place when current is drawn from a...

    Text Solution

    |

  3. Name the constituents of a cell.

    Text Solution

    |

  4. State the nwo kinds of cell. Give one example of each.

    Text Solution

    |

  5. What is a primary cell? Give an example.

    Text Solution

    |

  6. What is a secondary cell ? Name one such cell.

    Text Solution

    |

  7. State three differences between primary and secondary cells.

    Text Solution

    |

  8. What do you understand by the term current ? State and define its S.L ...

    Text Solution

    |

  9. How much is the charge on an electron ?

    Text Solution

    |

  10. n electrons flow through a cross section of a conductor in time t. If...

    Text Solution

    |

  11. Name the instrument used to control current in an electric circuit.

    Text Solution

    |

  12. In the electric circuit shown in Fig. 1, label the parts A, B, C, D, E...

    Text Solution

    |

  13. What is the function of a key (or switch) in an electric circuit ?

    Text Solution

    |

  14. Write symbols and state functions of each of the following components ...

    Text Solution

    |

  15. (a) Complete the circuit given in Fig. 1 by inserting between the term...

    Text Solution

    |

  16. Distinguish between conductors and insulators of electricity. Give two...

    Text Solution

    |

  17. Select conductors of electricity from the following : Copper wire, sil...

    Text Solution

    |

  18. State two differences between a conductor and an insulator of electric...

    Text Solution

    |

  19. Distinguish between a closed circuit and an open circuit, with the use...

    Text Solution

    |

  20. Write the condition required for a circuit to be a closed circuit.

    Text Solution

    |