In a closed circuit where there are 2 parallel light bulbs D closer to the batter, and E further from the battery (so D is between E and battery), There is an open switch between D and E.
1) if switch is closed what happens to the brightness of D and to the current flowing through the battery?
In a closed circuit where there are 2 parallel light bulbs D closer to the batter, and E further from the battery (so D
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