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n’  identical light bulbs, each designed to draw P power from a certain voltage supply are joined in series and that combination is connected across that supply. The power consumed by one bulb will be :
  • a)
    P
  • b)
    P/n 
  • c)
    nP
  • d)
    P/n2
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
‘n’ identical light bulbs, each designed to drawPpower fro...
For series combination, the total power is:
1/Pt = 1/P1 + 1/P2 +.........+1/Pn
= 1/P + 1/P +..............+ upto n
= n/P
Therefore, Pt = P/n
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Most Upvoted Answer
‘n’ identical light bulbs, each designed to drawPpower fro...
Voltage across each bulb will be

so, power developed by each bulb = iV1 = 
so, power consumed by one bulb = 
The correct answer is: P/n2
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‘n’ identical light bulbs, each designed to drawPpower from a certain voltage supply are joined in series and that combination is connected across that supply. The power consumed by one bulb will be :a)Pb)P/nc)nPd)P/n2Correct answer is option 'D'. Can you explain this answer?
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