Three conductors draw respectively currents of 1 A, 2 A and 4 A when connected in turn across a battery. If they are connected in series across the sa

Three conductors draw respectively currents of 1 A, 2 A and 4 A when connected in turn across a battery. If they are connected in series across the sa
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Three conductors draw respectively currents of 1 A, 2 A and 4 A when connected in turn across a battery. If they are ... `(4)/(7)A` D. `(5)/(7)A`
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