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Three charges +5C, +7C, -4C are situated...

Three charges `+5C, +7C, -4C` are situated within a body and charges `-5C, -7C, +4C` are situated outside the body. The T.N.E.I. over the closed surface is

A

`-8 C`

B

0

C

`+8 C`

D

`10 C`

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TARGET PUBLICATION-ELECTROSTATICS-EXCERCISE
  1. A metallic solid sphere is placed in a uniform electric field. The lin...

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  2. What is T.N.E.I. through the surface A and B respectively?

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  3. Three charges +5C, +7C, -4C are situated within a body and charges -5C...

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  4. A water molecule has an electric dipole moment 6.4xx10^-30 Cm when it ...

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  5. An electric dipole cosisting of two opposite charges of 2xx10^-1C each...

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  6. For a dipole q=2xx10^-6C and d=0.01m. Calculate the maximum torque for...

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  7. A square is centred at origin having sides parallel to x-axis and y-ax...

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  8. Four metal conductors having differnet shapes i. a sphere ii. Cylindr...

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  9. 64 small drops of mercury, each of radius r and charge q, coalesce to ...

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  10. A conducting sphere of radius 10 cm is charged to 10 muC. Another unch...

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  11. Electric charges q, q, -2q are placed at the corners of an equilatera...

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  12. Infinite charges of magnitude q each are lying at x=1,2,4,8…… metre on...

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  13. If a charge is moved against the coulomb force of an electric field, t...

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  14. Two indentical conducting balls A and B have positive charges q1 and q...

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  15. Two identical metallic spheres A and B of exactly equal masses m are t...

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  16. A soap bubble is given a negative charge, then its radius

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  17. Two copper balls, each weighing 10 g are kept in air 10 cm apart. If o...

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  18. Two particles of equal mass m and charge q are placed at a distance of...

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  19. Five balls numbered 1 to 5 are suspended using separate threads. Pair...

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  20. Two spheres carrying charges +6muC and +9muC, separated by a distance ...

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