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[" A cell has an emf "1.5V" When connect...

[" A cell has an emf "1.5V" When connected across an extemal resistance of "2Omega" ,the terminal potential "],[" difference fals to "10V" The internal resistance of the cell is: "],[[" (1) "20," (2) "1520," (3) "100," (4) "0.5Omega]]

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