2. Solved Papers
  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    If the specific resistance and area of the potential meter wire are\[\rho \]and A respectively and the current / flows in the wire, then potential gradient will be

    A)  \[I\rho /A\]            

    B)  \[I/Ap\]

    C)  \[IA/\rho \]            

    D)  \[I/A\rho \]

    Correct Answer: A

    Solution :

     \[\rho =\frac{RA}{l}\] and  \[K=\frac{RI}{l}\] \[\therefore \] \[K=\frac{\rho l}{A}\]


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