railway UPMRC SCTO 2024 Mock Test Electrician and Wireman Power Systems Generation of Electrical Energy
A 2 kW water heater operates 8 hrs per day, If the cost of each unit is Rs. 3.00 per unit, then calculate the total bill for one month (30 days), assuming the charges for the first 100 units are nil.
1
Rs. 1140.00
2
Rs. 1440.00
3
Rs.1740.00
4
Rs. 840.00