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प्रश्न
Rank the electrostatic potential energies for the given system of charges in increasing order.
विकल्प
1 = 4 < 2 < 3
2 = 4 < 3 < 1
2 = 3 < 1 < 4
3 < 1 < 2 < 4
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उत्तर
1 = 4 < 2 < 3
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