Ohm's Law

In a circuit there is a single resistor, R R , and a cell in series. 1.875×1021 1.875 \times 10^{21} electrons pass a point P in the circuit every 50 seconds. The cell provides 4.8×1018 4.8 \times 10^{-18} joules of energy to each electron. You can assume there is negligible internal resistance and it is an ideal circuit. Determine the resistance of resistor R R in ohms.

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