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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Critical Thinking

  • question_answer
    An electric line of force in the xy plane is given by equation \[{{x}^{2}}+{{y}^{2}}=1\]. A particle with unit positive charge, initially at rest at the point \[x=1,\ y=0\] in the \[xy\] plane          [IIT 1988]

    A)                    Not move at all

    B)                    Will move along straight line

    C)                    Will move along the circular line of force

    D)                    Information is insufficient to draw any conclusion

    Correct Answer: C

    Solution :

               Charge will move along the circular line of force because \[{{x}^{2}}+{{y}^{2}}=1\] is the equation of circle in xy-plane.


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