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JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Chemical Effect of Current

  • question_answer
    The value of current required to deposit 0.972 gm of chromium in 3 hours if the E.C.E. of chromium is 0.00018 gm per coulomb, is                                                                       [SCRA 1994]

    A)                    1 amp                              

    B)                    1.5 amp

    C)                    0.5 amp                          

    D)                    2 amp

    Correct Answer: C

    Solution :

                       \[i=\frac{m}{Zt}=\frac{0.972}{0.00018\times 3\times 3600}=0.5\,A\]


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