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A hollow metal sphere of radius 10cm is ...

A hollow metal sphere of radius 10cm is charged such that the potential on its surface is 80 V. The potential at the centre of the sphere is

A

80 V

B

800 V

C

8 V

D

zero

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The correct Answer is:
A
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
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  2. Four electric charges +q, +q, -q and -q are placed at the corners of a...

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  3. A hollow metal sphere of radius 10cm is charged such that the potentia...

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  4. A parallel plate condenser has a unifrom electric field E (V//m) in th...

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  5. Charges 5 muC and 10 muC are placed 1 m apart. Work done to bring thes...

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  6. A particle of mass 2 xx 10^(-3) kg, charge 4 xx 10^(-3)C enters in an ...

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  7. The ionisation potential of mercury is 10.39 V. How far an electron mu...

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  8. 0.2 F capacitor is charged to 600 V by a battery. On removing the batt...

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  9. The work done in placing a charge of 8xx10^-18 coulomb on a condenser ...

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  10. In a parallel plate capacitor, the separation between the plates is 3m...

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  11. The electric potential at any point x,y an z in metres is given by V =...

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  12. An electron of mass m and charge e is accelerated from rest through a ...

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  13. If an electron moves from rest from a point at which potential is 50 v...

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  14. The work done in bringing a 20 coulomb charge from point A to point B ...

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  15. If 4 xx 10^(20)eV energy is required to move a charge of 0.25 coulomb ...

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  16. Kinetic energy of an electron accelerated in a potential difference of...

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  17. A hollow conducting sphere is placed in an electric field produced by ...

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  18. Two unlike charges of magnitude q are separated by a distance 2d. The ...

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  19. Two spheres A and B of radius 'a' and 'b' respectively are at same ele...

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  20. A capacitorn of 2 muF charged to 50 V is connected in parallel with an...

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