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Science help!

laushik
By laushik
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1. Question:  In a series circuit that has one cell, a switch and two bulbs. Describe the brightness of each bulb. 

 

I don't really get this question, but I know the bulb closest to the negative side of the cell will be the brightest, but I don't understand why.

 

2. I also have another question:  in a parallel circuit that has two cells, a switch and three bulbs (each on their own branch of the circuit).  Describe the brightness of each bulb. 

 

Now in this question I have no idea which bulb would be brighter, but in a parallel circuit how would a switch work? wouldn't it have multiple paths to flow from if the switch was open, would the switch be pointless?

 

 Pls help and thanks in advance!

 

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