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The charges on three dentical ebonite sp...

The charges on three dentical ebonite spheres are +2 mC, -4 mC and +2 mC respectively. Now the first sphere is brought in contact with the second sphere and then moved apart. Then, the second sphere is brought in contact with the third sphere and moved apart. Calculate the charge acquired by each sphere, provided ench sphere is kept on an insulated stand.

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`-1 mC, 1/2 mC` and `1/2` mC
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