How much electrical energy does it supply

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Reference no: EM13510113

A solar cell provides an emf of 0.20 V.

a) If the cell supplies a constant current of 21.5 mA for 8.0 h, how much electrical energy does it supply? in Joules

b) What is the power - the rate at which it supplies electrical energy? in Joules/second

Reference no: EM13510113

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