Current Electricity Charging Discharging Of Capacitors Question 540
Question: Three electric bulbs of rating 60W each are joined in series and then connected to electric mains. The power consumed by these three bulbs will be
[MP PET 2003; CBSE PMT 2004]
Options:
A) 180 W
B) 60 W
C) 20 W
D) $ \frac{20}{3}W $
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Answer:
Correct Answer: C
Solution:
In series $ {P}’=\frac{P}{n}=\frac{60}{3}=20,watts $
BETA
