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JEE Main & Advanced JEE Main Paper Phase-I (Held on 09-1-2020 Evening)

  • question_answer
    In a meter bridge experiment S is a standard resistance. R is a resistance wire. It is found that balancing length is\[l=25\text{ }cm\]. If R is replaced by a wire of half-length and half diameter that of R of same material, then the balancing distance \[l'\] (in cm) will now be______.[JEE MAIN Held on 09-01-2020 Evening]

    Answer:

    40


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