4 bulbs rated 100 W each, operate for 6 hours per day. What is the cost of the energy consumed in 30 days at the rate Rs. 5/kWh ? |
|||||||
(a) |
|
(b) |
|
(c) |
|
(d) |
|
4 bulbs rated 100 W each, operate for 6 hours per day. What is the cost of the energy consumed in 30 days at the rate Rs. 5/kWh ? |
|||||||
(a) |
|
(b) |
|
(c) |
|
(d) |
|