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DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    How much current should be passed through a silver voltmeter to deposit 200 g of silver per hour on the cathode? (Faraday constant = 96500 C/mol and relative atomic mass of silver is 108)

    A)  50mA

    B)  50 A  

    C)  15mA

    D)  15 A

    Correct Answer: B

    Solution :

     Given, \[m=200\,g\] \[F=96500\] Atomic mass \[M=108\] Valency \[P=1\] Current \[I=\frac{mpF}{Mt}\] \[=\frac{200\times 1\times 965000}{108\times 60\times 60}\] \[=49.63=50\,A\]


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