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Two concentric conducting thin shells of radius R and 2 R carry charges +Q and +3Q respectively. The magnitude of electric field at a distance x outside and inside from the surface of outer sphere is same. Then the value of x is

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PHYSICS GALAXY - ASHISH ARORA-ELECTROSTATICS-Unsolved Numberical Problems
  1. Two identical balls of charge q(1) & q(2) initially have equal of the ...

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  2. A positive charge +Q is fixed at a poibt A. Another positively charged...

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  3. Figure shown a section through two long thin concentric cylinders of r...

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  4. A point charge Q is located on the axis of disc of a radius R at a dis...

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  5. A very long uniformly charged thread oriented along the axis of a a...

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  6. Three point charges of 1C, 2C and 3C are placed at the . corners of an...

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  7. Two small metallic balls of radii R(1) & R(2) are kept in vacuum at a ...

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  8. Two concentric spheres of radii R and 2R are charged. The inner sphere...

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  9. A charge Q is uniformly distributed over a rod of length l. Consider a...

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  10. A particle having a charge of q=8.85muC is placed on the axis of a cir...

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  11. Electrically charged drops of mercury fall from an altitude h into a s...

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  12. A non-conducting sphere ofradius R has a positive charge which is dist...

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  13. Two identical charges, 5 muC each are fixed at a distance 8 cm and a c...

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  14. A particle of mass m and charge -q moves along a diameter of a uniform...

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  15. Two concentric conducting thin shells of radius R and 2 R carry charge...

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  16. The electric field strength depends only on the x and y coordinates ac...

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  17. A very long charged wire (lying in the xy plane ) which is having a li...

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  18. A solid sphere ofradius 'R' is uniformly charged with charge density r...

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  19. Find the electric field at the origin due to the line charge (ABCD) of...

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  20. A point charge +q & mass 100 gm experiences a force of 100N at a po...

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