2. Questions Bank
  3. Railways
  4. Basic Science and Engineering
  5. Electricity and Circuits

Railways Basic Science and Engineering Electricity and Circuits Question Bank Basic Electricity

  • question_answer
    A current passes through a wire of non-uniform cross section. Which of the following quantities are independent of the cross-section?

    A)  The charge crossing

    B)  Drift velocity              

    C)  Current density

    D)  Free-electron density

    Correct Answer: D

You need to login to perform this action.
You will be redirected in 3 sec spinner