AIIMS AIIMS Solved Paper-2002

  • question_answer
    How many electrons make up a charge of 20 \[V=E-\left( \frac{E}{R+r} \right)r\]C?

    A)  \[1.25\,\times {{10}^{14}}\]

    B)                        \[2.23\,\times {{10}^{14}}\]                                   

    C)  \[3.25\,\times {{10}^{14}}\]     

    D)                        \[5.25\,\times {{10}^{14}}\]

    Correct Answer: A

    Solution :

                    Milikans oil drop experiment and many other experiments have shown that in nature electric charges are found to be made up of integrals of a smallest amount of charge. This smallest amount is \[{{I}_{1}}\]. Hence, \[{{I}_{2}}\]


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