Airplane black box contains a bunch of unknown resistances

Reference no: EM13542917

An airplane black box contains a bunch of unknown resistances and sources of emfs connected in unknown way such that (1) a 9 Ohm resistor across the terminals of the circuit box draws 0.80 A, and (2) an 17 Ohm resistor draws 0.50 A. What resistance will draw 0.12 A?

Reference no: EM13542917

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