v24

A

`(Q)/(4pi in_(0))`

B

`(2Q)/(4pi in_(0))`

C

`(3Q)/(4pi in_(0))`

D

`(Q)/(pi in_(0))`

Text Solution

Verified by Experts

The correct Answer is:
B
`V= (Q)/(4pi in_(0)) ((1)/(1) + (1)/(2) + (1)/(4) + …)`
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Exercise -1 (C.W)
  1. v24

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  2. A charge 'Q' is placed at each corner of a cube of side 'a'. The poten...

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  3. A uniform electric field poiting in poistive x-direction exists in a r...

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  4. The electric field at the origin is along the +ve x-axis. A small circ...

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  5. A particle A has chrage +q and a particle B has charge +4q with each o...

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  6. Let there be a uniform electric field "E" existing along the positive...

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  7. The potential at a point due to charge of 5xx10^(-7)C located 10 cm aw...

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  8. The potential at a point due to charge of 5xx10^(-7)C located 10 cm aw...

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

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  10. Electric field intensity at a point B due to a point charge Q kept ...

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  11. The electric potential in volts due to an electric dipole of dipole mo...

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  12. The electric potential in volts due to an electric dipole of dipole mo...

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  13. The electric potential due to an electric dipole of dipole moment 2 xx...

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  14. There is an electric field E in x-direction. If the work done on movin...

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  15. The electric potential V (in volt) varies with x (in metre) according ...

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  16. The electric potential decreases unifromly from 120 V to 80 V as one ...

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  17. Charges +q -4q and +2q are arranged at the corners of an equilateral t...

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  18. Three charges -q, Q and -q are placed at equal distances on a straight...

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  19. A system consists of two charges 4 mu C and -3 muC with no external fi...

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  20. (a) In a quark model of elementary particles, a neutron is made of one...

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