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A hexagon of side 8 cm has a charge 4 mu...

A hexagon of side 8 cm has a charge `4 muC` at each of its vertices. The potential at the centre of the hexagon is

A

`2.7 xx 10^(6)V`

B

`7.2 xx 10^(11)V`

C

`2.5 xx 10^(12)V`

D

`3.4 xx 10^(4)V`

Text Solution

Verified by Experts

The correct Answer is:
A
`V = (6 xx q)/(4pi in_(0)r)`
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Exercise -1 (H.W)
  1. Two tiny spheres carrying charges 1.8 muC and 2.8 mu C are located at ...

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  2. Two tiny spheres carrying charges 1.8 muC and 2.8 mu C are located at ...

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  3. A hexagon of side 8 cm has a charge 4 muC at each of its vertices. The...

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  4. On the axis of a short electric dipole at a point potential is V. If t...

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  5. The potential at a point P' on the axial line of the short dipole on t...

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  6. The magnitude of electric field intensity at a point on the axis of sh...

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  7. The distance between H^(+) and Cl^(-) ions in HCl molecules is 1.38Å. ...

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  8. If the electric field is given by vec(E ) = ((100)/(x^(2)))i the poten...

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  9. A charge of 5 C experiences a force of 5000N when it is kept in a unif...

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  10. ABC is an equilateral triangle of side 2m. If vec(E ) = 10NC^(-1), " t...

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  11. The electric potential at a point (x,0,0) is given by V=[(1000)/(x)+(1...

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  12. Two positive point charges of 12 mu C and 8 mu C are 10 cm apart. The ...

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  13. Two charges of magnitude 5 nC and -2 nC are placed at points (2cm,0,0...

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  14. Three charges Q, +q and +q are placed at the vertices of a right angle...

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  15. An electric dipole has the magnitude of its charge as q and its dipole...

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  16. An electric dipole of moment vecp is placed normal to the lines of for...

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  17. An insulated charged conducting sphere of radius 5cm has a potential o...

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  18. Two conducting spheres of radii 5 cm and 10 cm are given a charge of 1...

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  19. The electric potential on the surface of a sphere of radius R due to a...

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  20. A soap bubble is charged to a potential of 16V. Its radius is then dou...

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