A heater draws 20 A when connected to a 110-V line. If the electric power costs 20 cents per kilowatt hour, the cost of running the heater for 10 hours is ---?Group of answer choices$1.10$11.00$4.40$0.44

The 2500W heater is used in a country where electricity costs 0.30 dollars per kilowatt-hour. Calculate the cost of using the heater continuously for two days.

Water has a specific heat capacity of 4,186 J/kg °C. A tank contains 500 kg of water at 10.0 °C. The water is heated to a temperature of 90.0 °C. If electricity costs $0.100 per kilowatt-hour, then what is the cost of heating the water?

6- If a household appliance has a power rating of 1000 watts (1 kW) and it operates for 5 hours per day, how much energy does it consume in one day?a) 1000 kWhb) 5 kWhc) 5000 kWhd) 5 kWh/day7-If the price of electricity is $0.12 per kWh, what is the cost of running a 100-watt light bulb for 10 hours?a) $0.01b) $0.12c) $1.20d) $12.008-A household consumes an average of 800 kWh of electricity per month. If the price of electricity is $0.15 per kWh, what is the monthly electricity bill?a) $80b) $120c) $100d) $150

A heater is designed to operate with a power of 1000 W in a 100 V line. It is connected, in combination with a resistance of 10 Ω and a resistance R to a 100V line as shown in figure. What should be the value of R so that the heater operates with a power of 62.5 W?

(e)     When the heater is supplied with 120 J of energy each second, the internal energy of theice increases by 45 J each second.Use the following equation to calculate the efficiency of the heater.