Current Electricity Charging Discharging Of Capacitors Question 447
Question: How much energy in kilowatt hour is consumed in operating ten 50 watt bulbs for 10 hours per day in a month (30 days).
[NCERT 1978, 80; CPMT 1991]
Options:
A) 1500
B) 5,000
C) 15
D) 150
Show Answer
Answer:
Correct Answer: D
Solution:
Energy consumed in $ kWh=\frac{Watt\times hour}{1000} $
Therefore For 30 days, $ P=\frac{10\times 50\times 10}{1000}\times 30=150kWh $
BETA
