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Q1.
The figure below shows a house with a solar power system.
The solar cells generate electricity.
When the electricity generated by the solar cells is not needed, the energy is stored in a large battery.
The charge flow through the cable between the solar cells and the battery in 24 hours was 27 000 coulombs.
Calculate the mean current in the cable.
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Mean current = _______________ A (4)
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Q=I×t
27000=I×86400
I= 27000/86400
I=0.3125A

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