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Van de Graaff generator is used to...

Van de Graaff generator is used to

A

measure high potential difference

B

produce high d.c. potential

C

produce higha.c. potential

D

comapre high d.c. potential

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MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE
  1. There is an electric field E in x-direction. If the work done on movin...

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  2. Can a body have charge and still be at zero potential?

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  3. Can a body have electric potential and still be uncharged?

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  4. In the electric field of a point charge q, a certain charge is carried...

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  5. Which of the following quantites do not depend on the choice of zero p...

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  6. In SI, unit of permittivity is

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  7. The capacitance of the earth viewed as a spherical conductor of radius...

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  8. n identical mercury droplets charged to the same potential V coalesce ...

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  9. A capacitor having capacity of 2 muF is charged to 200 V and then the ...

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  10. A parallel plate capacitor is charged. If the plates are pulled apart

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

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  12. An isolated capacitor of unknown capacitance has been charged to poten...

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  13. In a charged capacitor, the energy resides

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  14. A capacitor 10muF was originally charged to 10V. Now, the potential di...

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  15. Two idential capacitors are joined in parallel, charged to a potential...

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  16. The accumulation of charge on clouds, which produces lightining is cau...

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  17. In a guard ring capacitor, the purpose of the guard ring is

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  18. wo capacitors of capacitances C(1) and C(2) are connected in parallel ...

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  19. A parallel plate capacitor with air as medium between the plates has a...

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  20. Van de Graaff generator is used to

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