A small space heater uses 1,212 Watts of power. What does it cost in dollars to use the heater for an average of 14.7 hours every day for 30 c must pay 12.3 cents per kilowatt-hour? (Enter answer with 2 digits right of the decimal. Do not enter dollar sign.)

Q: Divide the value of your slope by 1000. This will convert the units from milliamps per Volt to Amps…

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Q: A freezer that is never turned off draws an average current of 2.6 A when it is plugged into a 115 V…

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Q: An electric heater is rated 2.5 kW. how much energy does it use in 12 hours.

A: Given value--- power = 2.5 kW. time = 12 hour. We have to find--- Energy ?

Q: If the typical household uses, on average, 3 kW of electrical power constantly, what would the…

A: Household circuit is using = 3kw-hr per hour. And total hours in month = 24×30 = 720 hours. So,…

Q: An electric clothes dryer is rated at 2,200 W. How much energy does it use in 45 min?

A: Write the formula for power.

Q: A laptop computer uses 75W of power in one hour. Electricity costs 5.6¢ /kW-h. Calculate how much it…

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Q: 1. A meter reader determines that a business has consumed 3550 kWh of energy in two months. If…

A: Given: The total consumed electricity is 3550 kWh. The time interval is 2 month. The electricity…

Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in two days by a 260-Watt incandescent…

A: Given data The power of the bulb is given as P = 260 W. The time interval is given as t = 7 hrs.…

Q: A bakery has a 6,100W oven that runs every day from 5am until 7pm making tasty pastries for the…

A: Given: Power of bakery = 6100 W = 6.1 KW The time of bakery runs per day = 5 am to 7 pm = 14 hours…

Q: A microwave has a power requirement of 1,264 W. A frozen dinner required 4.2 mins to heat on full…

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Q: A coffee percolator rated at 120 volts, 1,400 watts requires 15 minutes to complete its cycle. How…

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Q: A hot water heater in a residential home runs for an average of 3.1 hours per day with a heat energy…

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Q: The voltage across a resistance is 81.4 V. The voltage across a coil is 78.6 V. Find the voltage…

A: This question is from topic alternating current and sub-topic pure resistive and inductive circuit.…

Q: What is the approximate cost of operating a 65 W light bulb for 3.0 h per day for 1 week, if the…

A: The given values are, P=65 Wthour/day=3.0 h/daytday=1 week=7 daysrate=14 cents/kWh

Q: How much does it cost to operate a 104-W device continuously for a week if the power utility rate is…

A: Given data:  Power (P) = 104 W Power utility rate = 0.30 ¢/kWh Time (t) = 1 week Required: The cost…

Q: 1: Suppose you have 10 light bulbs each of 100 Watt at your home. All of them are used for 6 hours…

A: 1.We know that, Energy=power×time To calculate the cost of energy for electrical energy…

Q: If an electrical supply does 25 Joules of work and creates a 2-amp current in a heater through the…

A: Energy, E= 25 Joules Current I=2 amp Resistance, R=10 ohms To determine time and voltage.

Q: The cost to operate a clothes dryer for a year is $80.25. If the rate for electrical energy is…

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Q: What is the cost of operating a 63-Watt freezer for a month if the cost of electricity is $ 0.02 per…

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Q: If your cell phone has a battery that can hold 1124 milliampere-hours of charge, how long will the…

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Q: Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh,…

A: We use 57 kWh of electricity at 0.35$ per kWh So cost of 57 kWh of electricity is 57×0.35$=19.95$ We…

Q: How much does it cost to operate a 1200-W hair dryer for 4 hours at 30 cents/kWh

A: Concept used: Net operation price of a device is found by multiplying its per unit cost with units…

Q: What is the cost of operating a 84.87-Watt freezer for a month if the cost of electricity is $ 0.04…

A: We know that power is given by P= E/t Where E- energy            t- time Given P=84.87W…