JEE Main & Advanced Sample Paper JEE Main Sample Paper-12

  • question_answer
    Statement 1: When two conducting wires of different resistivity having same cross sectional area are joined in series, the electric field in them would be equal when they carry current.
    Statement 2: When wires are in series they carry equal current.

    A)  Statement-1 is false, Statement-2 is true.

    B)  Statement-1 is true, Statement-2 is true and statement- is correct explanation for statement-1

    C)  Statement-1 is true, Statement-2 is true and statement- is NOT correct explanation for statement-1

    D)  Statement-1 is true, Statement-2 is-false.

    Correct Answer: A

    Solution :

     \[\vec{E}=\rho \vec{j}\] as area and current are same j is same but \[\rho \]are different.  \[\therefore \]\[\vec{E}\] is different.


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