Current Electricity and Electrical InstrumentHard
Question
Three 60W, 120W light bulbs are connected across a 120 V power source. If resistance of each bulb does not change with current then find out total power delivered to the three bulbs.
Options
A.180 W
B.20 W
C.40 W
D. 60 W
Solution
R Here R = 
, Total power supplied =
× 60 = 40 WCreate a free account to view solution
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