Fill in the blank
In a household electrical circuit, the appliance are connected in ............with the mains.
An electric iron of power 1.5 kW is used for 30 minute to press the clothes. Calculate the electrical energy consumed in kilowatt hour
Select the correct alternative
If out of the two lighted bulbs in a room, one bulb suddenly fuses, then
In a premise 5 bulbs each of 100 W, 2 fans each of 60 W, 2 A.Cs each of 1.5 kW are used for 5 h per day. Find :
(a) total power consumed per day,
(b) total power consumed in 30 days,
(c) totoal electrical energy consumed in 30 days.
(d) the cost of electricity at the rate of ₹ 6.25 per unit.