Scanned Document - rpsc.rajasthan.gov.in€¦ · 12. 13. Four point charges —Q, —q, +2q and +2Q...
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Scanned Document - rpsc.rajasthan.gov.in€¦ · 12. 13. Four point charges —Q, —q, +2q and +2Q respectively are placed on the four vertices of a square. The relation between