Question

please i need help solving this problem, what is the resistance of a resistor if the potential difference across the resistor is 4.0 V when a current of 10.0 A flows through the resistor?
bobpursley
r=V/I
A current of 1ampere is supplied to two resistor of resistances 2ohm's and 3ohm's connected in parallel.calculate the current in each resistor.

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