A 1.5 kW kettle is used 5 times a day for five minutes each time. What is the cost of running the kettle for a week, if the unit cost of electricity is P 5.00/kWh? P 22/week P 187.50/week P 262.5/week P1,312.50/ week

A stationery shop use the following electric appliances: (i) Four Air Conditioner of rating 1900 W for twelve hours each day (ii) Two Electric Freezer of rating 1500W each for 24 hours each day (iii) Ten electric tube lights of rating 20W each for 12 hours each day. Calculate the electricity bill of the stationery shop for the month of November 2020 if the cost per unit of electric energy is 15 Bz/ kWh. (i) Electrical Energy(in kWh) consumed by four Air conditioners of rating 1900 W for 12 h of each day= (ii) Electrical Energy(in kWh) consumed by two Electric Freezers of rating 1500 W for 24 h of each day= (iii) Electrical Energy(in kWh) consumed by ten Tube lights of rating 20 W for 12 h of each day = (iv) Total energy(in kWh) consumed in the month November'2020 = (V) Electricity bill(in riyals) for the month of November'202 =

A standard flashlight battery can deliver about 4.9 W.h of energy before it runs down. (a) If a battery costs 80 cents, what is the cost in dollars of operating a 100 W lamp for 8.8 h using batteries? (b) What is the cost in dollars if power is provided at the rate of 6.0 cents per kilowatt-hour? (a) Number (b) Number Mi i Units Units

Blackboard QUESTION 27 In the figure, e, = 3.00 V, ₂ = 1.00 V, R₁ = 4.00 2, R₂ = 2.00.2, R₂ = 5.002. What is the rate at which energy is dissipated in R1? www R₂ m R₁ ww R₂ -18, OA. 0.071 W OB. 0.346 W O C. 1.26 W OD. 0.050 W OE. 0.709 W rcted in series and a potential