In a house 8 nos of 60 watt bulb runs for 10 hrs and a 1.5 kw electric iron runs for 15 mins. What is the amount of electric consumed. Cost of 1 unit electric is Rs. 6.

In house, 4Nos. Of 60W, 2 Nos. of 100W bulb and 2 Nos. of 40W Fan runs 5 hours daily. What will be its monthly electrical expenditure is one unit is cost Rs.6?

In a school there are 10 electric fans each of 40 W runs for 5 hours a day, 5 electric lamps each of 60 W runs for 3 hour daily. If the cost of each unit of electricity be Rs. 5, then calculate the monthly cost for electricity

An electric bulb of resistance 440 ohm is connected to 220 volt mains for 10 hours. Find the amount of electrical energy consumed in BOT unit.

If in a house two 60 watt bulbs and two 80 watt fans run 5 hours daily then what shall be its monthly expenditure for electricity. Given 1 month = 30 days and cost of 1 unit electricity be Rs.7.

8 bulbs (100W,220V) for 10 hr, 2 fan(80W), 1 iron (1.5KW) for 30 min are on per day. Calculate the electric bill per month if cost of unit is 6/-.

There are two 60 watt lamps and two 80 watt fans in a house. The lamps and fans run 5 hours daily. Find out the expense in a month if an unit of electricity costs Rs.4/-. (assume one mont = 30 days).

In a house there are 10 lamps of 40 W each , 5 fans of 80 W each and a TV set of 80 W . They run for 6 hours a day . Find the consumption of electrical in a month of 30 days . What is its value in BOT unit ?

In an evening college there are 100 bulbs of 60 W each , 80 bulbs of 100W each and 70 fans of 100 W each . They run for 5 h , 4 h and 4 h respectively per day . If each kW . H costs Rs. 0.50 , calculate the electric bill of the college for a month .

There are six 40 W and two 100 W lamps , four 40 W fans and a 1000 W electric heater in a house .If in April , each lamp runs for 5 hours a day , each fan 15 hours a day and the heater 2 hours a day , what will be the electric bill for that month ? It may be supposed that the main supply voltage is 200 V and cost of each BOT unit = Rs. 1.50. Which one of the give three wires of rating 5 A , 10 A and 15 A will be appeopeiate for connection in the main switch ?