A 60 W bulb is switched on for 5 hours daily. If the cost of electricity is Rs. 3 per unit, calculate the bill for the month of April.

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

Calculate the units of electricity consumed in the month of November form the following details. One 60 W bulb used for 5 hours daily. One 100 W bulb is used for 3 hours daily. One 1 kW electric heater is used for 2 hour daily. Also calculate the monthly bill at the rate of 2.50 per unit.

Calculate the units of electricity consumed in the month of September form the following details. (i) One 40 W bulb used for 5 hours daily. (ii) One 100 W bulb used for 4 hours daily. (iii) One 240 W electric fan used for 4 hours daily. Also calculate the monthly bill at the rate of Rs 3 per unit.

In a residence 4 tubelights each of 40W are operated daily for 5 hour and 3 fans each of 120 W are operated daily for 4 hour. What would be the amount of electricity bill at ₹ 5 per unit for the month of September?

a] State Ohm's law. Write it in the form of equation and give graphical representation for it. b] An electric oven rated at 500W is connected to a 220V line and used for 2 hours daily. Calculate the cost of electric energy per month at the rate of Rs. 5 per kWh.

A household uses six electric tubes of rating 18 W each for 6 hours each day. calculate the electricity bill of the household for the month of april if the cost per unit of electric energy is rs.4.00