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Two positive charges 12 and 5 µ C are placed 10 cm apart in air. The work needed to bring them 4 cm closer is  a) 2.4 J  b) 3.6 J 

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Two positive charges 12 and 5 µ C are placed 10 cm apart in air. The work needed to bring them 4 cm closer is 

a) 2.4 J 

b) 3.6 J 

c) 4.8 J 

d) 6 J

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1 Answer

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by (21.6k points)

Correct option is:  b) 3.6 J

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