v34.1

A

`(+Q)/(epsilon_(0))`

B

`(+Q)/(2 epsilon_(0))`

C

`(+Q)/(4epsilon_(0))`

D

`(+Q)/(8epsilon_(0))`

Text Solution

Verified by Experts

The correct Answer is:
C
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NARAYNA-ELECTRIC CHARGES AND FIELDS-EXERCISE -3
  1. A point charge Q is placed at one of the vertices of a cubical block. ...

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  2. Gauss's law is valid for

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  3. v34.1

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  4. A comb run through one's dry hair attracts small bits of paper. This i...

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  5. Each of the two point charges are doubled and their distance is halved...

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  6. A cylindrical conductor is placed near another positively charged cond...

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  7. A table tennis ball covered with a conducting paint is suspended by a ...

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  8. What is charge on 90 kg of electrons?

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  9. When the distance between two charged particles is halved, the force b...

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  10. A thin conducting ring of radius R is given a charge +Q, Fig. The ele...

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

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  12. A charge Q is uniformly distributed over a large plastic plate. The el...

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  13. Figure below show regular hexagons with charges at the vertices. In w...

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  14. A hollow cylinder has a charge qC within it. If phi is the electric fl...

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  15. When air is replaced by a dielectric medium of constant K, the maximum...

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  16. Assertion: The lightening conductor at the top of high building has sh...

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  17. Two point charge +2 C and +6 C repel each other with a force of 12 N ....

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  18. An electron is moving round the nucleus of a hydrogen atom in a circul...

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  19. Three point charges +q, –2q and +q are placed at points (x = 0, y = a,...

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

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