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NEET Sample Paper NEET Sample Test Paper-55

  • question_answer
    Shown in the figure given below is a meter-bridge set up with null deflection in the galvanometer. The value of \[\ell \] is-

    A) 75 cm              

    B) 25 cm

    C) 50 cm              

    D) 5 cm

    Correct Answer: A

    Solution :

    \[\frac{3R}{R}=\frac{\ell }{100-\ell }\] \[300-3\ell =\ell \] \[\ell \,\,=\,\,75\,cm\]


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