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Five balls numbered 1 to 5 are suspende...

Five balls numbered 1 to 5 are suspended using separate threads. Pairs (1,2), (2,4) and (4,1) show electrostatic attraction whilt pairs (2,3), (4,5) show repulsion. Therefore, ball 1 must be

A

neutral

B

metallic

C

positively charged

D

negatively charged

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TARGET PUBLICATION-ELECTROSTATICS-EXCERCISE
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  2. Two particles of equal mass m and charge q are placed at a distance of...

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

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  6. The elctric force acting between two point charges kept at a certain d...

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  14. When a 10 muC charge is enclosed by a closed surface, the flux passing...

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  15. A charge q is placed at one corner of a cube. The electric flux throug...

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  16. If the electric flux entering and leaving an enclosed surface are phi1...

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  17. When a 10 muC charge is enclosed by a closed surface, the flux passing...

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  18. What is the nature of Gaussian surface involved in Gauss law of electr...

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