Current Electricity Charging Discharging Of Capacitors Question 502
Question: An electric lamp is marked 60 W, 230 V. The cost of 1 kilowatt hour of power is Rs. 1.25. The cost of using this lamp for 8 hours is
[KCET 1994]
Options:
A) Rs. 1.20
B) Rs. 4.00
C) Rs. 0.25
D) Rs. 0.60
Show Answer
Answer:
Correct Answer: D
Solution:
Total energy consumed $ =\frac{60\times 8}{1000}=0.48kWH $ So cost $ =0.48\times 1.25=0.6Rs. $
BETA
