Calculate the secondary coil turn if voltage is 55. Primary voltage is 22 and turns is 1000.
If the ratio of primary winding to secondary winding in a transformer is 0.5, primary voltage is 220 V. find secondary V.
In a house to tube lights of 30 W works for 5 hrs daily, 2 television of 40 W runs 4 hrs daily, an electric iron of 750 W for 2 hrs in a week and 4 electric bulbs of 00 W lights 4 hrs daily. Calculate the electricity consumed in a month. If 1 unit cost is Rs. 7 Then what will be the total bill.
A house has 10 CFL of 20 W glowing 6 hr daily. Calculate energy consumption in month.
In a house of colony, there are 40 W of 12 tube lights that operate every 4 hrs daily, 40 W of 3 television work 4 hrs daily , 750 W of 2 electric irons work 2 hrs in a week and 100 W of 2 bulbs lights 2 hrs daily. Calculate the electric unit consumed in a month. If 1 unit costs Rs. 7 then what will be the total cost to be paid to corporation.
Write the type of combination of cells in the given circuit. Calculate the power of the bulb if 0.2 A current flows through the circuit.
Calculate the total current in the following circuit.
Electric iron draws a current of 8 A from 220 V supply. What is the cost of using the iron 5 hours every day for one month? The rate of unit cost is Rs. 9
A bulb of 100 watt and a heater of 1500 watt are used 3 hours daily in a room . What will be the reading of meter box after 1 week , if initial reading is 210?
An electric heater draws a current of 10 A from 220 volt supply. What is the cost of using heater for 5 hours every day for a month if 1 unit cost is Rs. 9 ?