Q.

An electric line of force in the XY plane is given by equation x2+y2=1. A particle with unit positive charge, initially at rest at the point x = 1 and y = 0 in the XY plane

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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

answer is C.

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Detailed Solution

Charge will move along the circular line of force because x2+y2=1 is the equation of circle in XY-plane.
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