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A particle of mass an charge `q` is projected vertically upwards .A uniform electric field `vec(E)` is acted vertically downwards.The most appropriate graph between potential energy `U` (gravitation plus electrostatic) and height h(`lt lt` radius of earth) is :(assume `U` to be zero on surface of earth)

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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-EXERCISE -2 (H.W)
  1. Four equal charges Q are placed at the four corners of a square of eac...

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  2. 2q and 3q are two charges separated by a distance 12 cm on x-axis. A t...

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  3. A particle of mass an charge q is projected vertically upwards .A unif...

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  4. A positive charge 'Q' is fixed at a point A negatively charged particl...

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  5. 10 C & -10C are placed at y = 1 & y = -1 m on y - axis. 1C charge is p...

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  6. Four particles, each of mass m and charge q, are held at the vertices ...

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  7. A particle of mass 2 g and charge 1 muC is held at rest on a frictionl...

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  8. v31

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  9. An electric dipole of length 2cm is placed with its axis making an ...

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  10. Two charges +3.2xx10^(-19)C and -3.2xx10^(-19)C placed 2.4A^(0) apart ...

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  11. Two spherical conductors A and B of radii 1mm and 2mm are separated by...

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  12. Two concentric spherical conducting shells of radii R and 2R carry cha...

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  13. Work performed when a point charge 2xx10^(-8)C is transformed from inf...

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  14. A conducting sphere A of radius a, with a charge Q, is placed concentr...

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  15. Two identical thin ring, each of radius R meters, are coaxially placed...

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  16. The capacity of a condenser A is 10muF and it is charged to a battery ...

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  17. A parallel plate capacitor has the space between its plates filled by ...

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  18. A capacitor of capacitance 10 mu F is charged to a potential 50 V with...

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  19. A parallel plate capacitor with plate area 'A' and separation 'd' is f...

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  20. A and B are two condensers of capacities 2muF and 4muF. They are charg...

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