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When 4 identical resistors and connected in series have a total resistance of 20 ohms and 2 amperes of current at the source, determine the potential difference across each bulb. DIAGRAM + CALCULATIONS 

 May 31, 2021
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Your question starts with resistors....and finishes with bulbs....

 

FOUR resistors in series would all have the same current through them

   v = i r

   v = 2 (20/4) = 10 volts drop across each resistor

 May 31, 2021

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