A circuit is powered by a 5 V battery and has 0.2 A of current through it. If the circuit contains two resistors connected in series and one of the resistors has a resistance of 5 Ω, what is the resistance of the other resistor?

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  1. 5 Ω * 0.2 A = 1 V

    the other resistor is responsible for the remaining 4 V
    ... ? Ω * 0.2 A = 4 V

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