(Answered) A extraction plant uses an applied emf of 30v and a current

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A extraction plant uses an applied emf of 3.0v and a current of 310000 A. One tonne of Aluminium is extracted after 16 hours.

1. What is the power consumption of the electrolysis?

2. What is the effective electrical resistance of the cell?

3. How much energy , in joules, is used in extracting one tonne of aluminium?

Show all working out and explain methodology.

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