Physics, 25.03.2021 19:50, tiffanibell71

The diagram represents an electric circuit consisting of a 12-volt battery, a 3.0-ohm resistor, R1, and a variable resistor, R2. At what value must the variable resistor be set to produce a current of 2.0 A through R1?

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The diagram represents an electric circuit consisting of a 12-volt battery, a 3.0-ohm resistor, R1,...