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[" Q.7A potentioneter wire of length "1m...

[" Q.7A potentioneter wire of length "1m" and resistance "10olm/m" and a resistance box are connected in series wit "],[2" volt.A potential difference of "10mV" is balanced across the whole length of potentiometer wire.The resi "],[" is- "],[[" (1) "1990Omega," (2) "990Omega," (3) "199Omega," (4) "99Omega]]

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