10th Class Science Electricity and Circuits Question Bank Electricity

  • question_answer
    The resistance of a straight conductor does not depend on its

    A)  temperature

    B)  length

    C)  material

    D)  shape of cross-section  

    Correct Answer: D

    Solution :

                    \[R=\frac{\rho l}{A}\] So, resistance depends upon area but does n depend upon the shape of cross-section (circuit or square or triangular).


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