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The electric potential at the surface of...

The electric potential at the surface of an atmoic nucleus `(Z = 50)` of radius `9.0 xx 10^(-13) cm` is

A

80 volts

B

`8xx10^(6)` volts

C

9 volts

D

`9xx10^(5)` volts

Text Solution

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The correct Answer is:
B
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ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Field and Potential)
  1. An electron moving with the speed 5xx10^(6) per sec is shot parallel t...

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  2. An electron enters in high potential region V(2) from lower potential ...

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  3. The electric potential at the surface of an atmoic nucleus (Z = 50) of...

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  4. A pellet carrying a charge of 0.5 coulomb is accelerated through a pot...

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  5. A particle has a mass 400 times than that of the elctron and charge is...

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  6. An electron (charge = 1.6 xx 10^(-19) coulomb) is accelerated through ...

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  7. The charge given to a hollow sphere of radius 10 cm is 3.2 xx 10^(-19)...

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  8. Work done in moving a positive charge on an equipotential surafce is

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  9. A charge 10 esu is placed at a distance of 2 cm from a charge 40 esu a...

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

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  11. A sphere of 4 cm radius is suspended within a hollow sphere of 6 cm ra...

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  12. State which of the following is correct

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  13. If a positive charge is shifted from a low - potential region to a hig...

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  14. When a negative charge is taken at a height from earth's surface, then...

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  15. When a charge of 3 coulombs is placed in a uniform electric field, it ...

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  16. There are two equipotential surafce as shown in figure. The distance b...

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  17. In bringing an electron towards another electron, the electrostatic po...

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  18. A hollow metal sphere of radius 5 cm is charged such that the potentia...

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  19. The work done in carrying a charge of 5 mu C form a point A to a point...

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  20. Value of potential at a point due to a point charge is

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