A potentiometer wire has a resistance of 4Ω. It is connected to a cell of steady emf 2V internal resistance 1Ω .This potentiometer can measure a maximum voltage of (1) 2 V (2) 1.9 V (3) 1.6 V (4) 1.0 V
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here is the answer gjd dB fbmcmgd_/$_/((#(4#((_='fdkyr
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