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Two charges q(1) and q(2) are placed 30 ...

Two charges `q_(1)` and `q_(2)` are placed `30 cm` apart, as shown in the figure. A third charge `q_(3)` is moved along the arc of a circle of radius `40 cm` from `C` to `D`. The change in the potential energy o fthe system is `(q_(3))/(4pi epsilon_(0))k`., where `k` is

A

`8 q_(2)`

B

`6q_(2)`

C

`8q_(1)`

D

`6q_(1)`

Text Solution

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The correct Answer is:
A
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MOTION-ELECTROSTATICS-Exercise -3 Section (A)
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  14. Assertion: The lightening conductor at the top of high building has sh...

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  15. The electric potential at a point in free space due to a charge Q coul...

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  16. A thin conducting ring of radius R is given a charge +Q. The electric ...

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  17. Charges q is uniformly distributed over a thin half ring of radius R. ...

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  18. The electirc potential at a point (x, y, z) is given by V = -x^(2)y ...

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  19. Three concentric spherical shells have radii a, b and c(a lt b lt c) a...

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