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When a slide body is negatively charged...

When a slide body is negatively charged by friction, it means that the body has

A

acquired excess of electrons

B

lost some problem

C

acquired some electrons and lost a lesser number of protons

D

lost some positive ions

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The correct Answer is:
A, C, D
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FULL MARKS-ELECTROSTATICS -ADDITIONAL QUESTIONS SOLVED ( Multiple choice questions : )
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  2. A force of 0.01 N is exerted on a charge of 1.2 xx 10^(-5) C at a cert...

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  3. The electric field intensity at a point 20 cm away from a charge of 2 ...

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  4. How many electrons will have a charge of one coulomb ?

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  5. The ratio of the force between two charges in air and that in a medium...

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  6. The workdone in moving a positve charge on an equipotenial surface is

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  7. If a charge is moved against the coulomb force of an electric field.

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  8. No current flows between two charged particles when connected if the...

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  9. Electric field lines about a negative point charge are

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  10. Two plates are 1 cm aprt and the potential difference between them is ...

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  11. At a large distance (r), the electric field due to a dipole varies as

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  12. Two thin infinite parallel plates have uniform charge densities + sigm...

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  13. Two isolated, charged coducting spheres of radii R(1) and R(2) produce...

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  14. A 100 muF capacitor is to have an energy content of 50 J in order to o...

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  15. A 1 muF capacitor is placed n parallel with a 2 mu F capacitor across...

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  16. A parallel plate capacitor of capacitance 100 mu F Is charged to 500 V...

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  17. A point charge q is placed at the midpoint of a cube of side L. The el...

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  18. The capacitor C of a spherical conductor of radius R is proportional t...

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  19. Energy of a capacitor of capacitance C, when subjected to a pontential...

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  20. The electric field due to a dipole at a distnce r from its centre is p...

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