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Two similar spheres having +Q and -Q cha...

Two similar spheres having `+Q` and `-Q` charge are kept at a certain distance. F force acts between the two. If in the middle of two spheres, another similar sphere having `+Q` charge is kept, then it experiences a force in magnitude and direction as

A

Zero having no direction

B

8F towards +q charge

C

8F towards -Q charge

D

4F towards +q charge

Text Solution

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The correct Answer is:
C
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ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)
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  9. A charge +q is placed at the mid point of a cube of side L. The electr...

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  10. A charge q is placed at the centre of the open end of a cylindrical ve...

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  11. It is not convenient to use a spherical Gaussian surface to find the e...

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  14. The SI unit of electric flux is

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  15. q(1),q(2),q(3) and q(4) are point charges located at point as shown in...

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  16. Gauss’s law should be invalid if

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  18. If a point charge q is placed at the centre of a cube, then find out f...

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  21. A charge q is located at the centre of a cube. The electric flux throu...

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