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Unit 11: Electricity
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Electromotive Force (e.m.f.) and Potential Difference (p.d.)
Unit 11 · Electricity
Electromotive Force (e.m.f.) and Potential Difference (p.d.)
Science
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8 min
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Question 1 of 13
1
When two bottles of water are joined by a tube, when does the water stop flowing?
When the smaller bottle is empty
When the water level is the same in both bottles
When both bottles hold the same amount of water
The water never stops