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The electric potential at the surface of...

The electric potential at the surface of an atomic nucleus (Z=50) of radius `9.0 xx 10^-15 m ` is

A

9 volt

B

80 volt

C

`8 xx 10^6 ` volt

D

`9 xx 10^5` volt

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PUNJAB BOARD PREVIOUS YEAR PAPERS-QUESTION PAPER 2021-MULTIPLE CHOICE QUESTION
  1. The dimensions of electric permittivity are :

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  2. Two charges 3 xx 10^(-5)C and 5 xx 10^4 C are placed at a distance of...

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

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  4. On what factors the capacitance of a capacitor depends?

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  5. Which of the following characterstics of electrons determines the curr...

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  6. 12 Coulomb/minute can be written as:

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  7. In a current carrying conductor the ratio of the electric field and e...

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  8. When a wire is stretched and its radius becomes (r )/(2) then its res...

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  9. In charging a battery of a motor car, which effect of electric current...

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  10. Resistivity of a wire depends upon the :

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  11. Magnitude of the magnetic intensity of a point due to a current in a ...

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  12. Magnetism in substances is caused by:

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  13. The resistance of an ideal ammeter is

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  14. Calculate the value of resistance needed to coavert a galvanometer of ...

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  15. Magnetic meridian is a

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  16. The magnetic moment (mu) of a revovlign electron around the nucleus va...

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  17. Is there a magnetic force exerted by a magnetic field on a stationary ...

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  18. Gauss is a unit of :

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  19. A solenoid has 1000 turns per meter length. If a current of 5 A is flo...

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  20. SI unit of magnetic flux is :

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