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Calculate the earth's potential. Assume ...

Calculate the earth's potential. Assume earth has a surface charge density of 1` "ectron/metre"^(2)`.(Given,the electronic charge = `-1.6xx10^(-19)C," earth's radius "=6.4 xx10^(6)m,e_(0) = 8.9xx10^(-12)c^(2)//Nm^(2)`)

A

`+ 0.12` volt

B

`-0.12` volt

C

`-1.2 ` volt

D

`-1.2` volt

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The correct Answer is:
B
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MOTION-ELECTROSTATICS-Exercise -1 (Objective Problems | NEET)
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  10. A charged spherical conductor of radius R carries a charge Q. a point ...

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  11. The electric field intensity at a point located at distance r(r lt R) ...

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  12. The dependence of electric potential V on the distance 'r' from the ce...

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  13. Potential difference beween centre and surface of the sphere of radius...

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  14. A solid sphere of radius R has charge q uniformly distributed over its...

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  17. A solid metallic sphere has a charge +3Q. Concentric with this sphere ...

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  18. Shown in the figure a spherical shell with an inner radius 'a' and an ...

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  19. In the previous question assume that the electrostatic potential is ze...

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