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J & K CET Medical J & K - CET Medical Solved Paper-2006

  • question_answer
    Potential and field strength at a certain distance from a point charge are 600 V and 200 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, \[V=600\text{ }volt,\text{ }E=200\text{ }N/C\] \[\therefore \]  \[dx=\frac{600}{200}=3\,m\]


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