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J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    Potential and field strength at a certain distance from a point charge are \[600\text{ }V\]and\[200\text{ }N/C\]. Distance of the point from the charge is

    A)  \[2\,m\]          

    B)  \[4\,m\]

    C)  \[8\,m\]           

    D)  \[3\,m\]

    Correct Answer: D

    Solution :

    Electric field \[E=-\frac{dV}{dx}\] Given,  \[V=\text{ }600\text{ }volt,\text{ E}=200N/C\] \[\therefore \]\[dx=\frac{600}{200}=3\,m\]


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