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A positively charged glass rod attracts ...

A positively charged glass rod attracts and then repels the suspended object. The suspended object is :

A

Negatively charged

B

Positively charged

C

Neutral

D

None of these

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PUNJAB BOARD PREVIOUS YEAR PAPERS-QUESTION PAPER 2021-MULTIPLE CHOICE QUESTION
  1. Charging without actual contact is called:

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  2. The ultimate individual unit of magnetism in any magnet is called:

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  3. A positively charged glass rod attracts and then repels the suspended ...

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  4. The law governing the force between electric charges is known as

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  5. When the distance between two charges is halved, the force between th...

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  6. Name the physical quantity, whose SI unit is newton coulomb^-1

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  7. The dimensions of electric permittivity are :

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

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

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

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

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  12. 12 Coulomb/minute can be written as:

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

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

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

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  16. Resistivity of a wire depends upon the :

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

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  18. Magnetism in substances is caused by:

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  19. The resistance of an ideal ammeter is

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

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