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The charges acquired by the objects on ...

The charges acquired by the objects on rubbing against eachother must be ………….. and ………… .

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equal ; opposite
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  4. …….. was the first to show ……… kinds of charges.

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  5. Insulators are also called ……… .

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  6. The value of electrostatic force constant in free space is ……… .

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  7. A person combs his hair on a dry day. The comb causes 10^(22) electron...

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  8. Estimate the number of free electrons in 36g of water and the negative...

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  9. What is the total charge on 75.0 kg of electrons ?

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  10. How many mega coulombs of positive(or negative) Charge are present in ...

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  11. Calculate the total positive (or negative) charge on a 3.11 g copper p...

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  12. A charge fo magnitude Q is divided into two parts q and (Q - q) such t...

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  13. Two identical metal spheres A and B have equal and similar charges. T...

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  14. What is the Coulomb's force between two alpha-particles separated by a...

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  15. What equal charges would have to be placed on earth and moon to neutra...

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  16. The electrostatics force of repulsion between two positively charged i...

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  17. Two small spheres each of mass 'm' kg and charge q coulomb are susp...

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  18. Two particles, each having a mass of 5 g and charge. 1.0 xx 10^(-7) C...

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  20. Two point charge q(2) = 3xx10^(-6) C and q(1) = 5xx10^(-6) C are loca...

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