What will be the operating cost for a 100-W lamp continuously for 1 week when the power utility rate is 15¢/kWh?Group of answer choices$2.52$3.00$0.52$1.90

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

Ms ENG1014 is working as a consultant for a company that installs street lamps. She is asked to install lamps along a street that is 500 metres long, with the lamps spread out lamps in 15 metre intervals along the street.Three companies have different deals:Company A: first lamp costs $100 to install, and each successive lamp costs $4 lessCompany B: first lamp costs $120 to install, and each successive lamp costs $5 lessCompany C: first 5 lamps cost $150 each, but every lamp after that only costs $13What is the total cost from each company? You should assume that the lamps can have negative costs

What is the cost of lighting a 0.5-kilowatt outdoor light for 8 hours, if electricity costs 7.5¢ per kilowatt-hour?

If the system produces 59,415 watts, what is the energy worth per day?  Assume electricity costs of $0.06 per kWh.

Electrical equipment in an office takes a current of 13 A from a 240 V supply. Estimate the cost per week of electricity if the equipment is used for 30 hours each week and 1 kWh of energy costs 7pQ.17. An el