Q: On a particular day the following appliances are used for the times indicated: a 1600-W coffee…
A: Given: The power of coffee maker is 1600 W. The power of microwave oven is 1100 W. The duration of…
Q: What current will be taken by a 920 W appliance if the supply voltage is 230 V ?
A: Given data : Power = P Voltage = V To find :…
Q: Approximate value of 1500! is 10 to the power:
A:
Q: The primary coil of a transformer with 954 turns carries an EMF of 2.2. If the secondary coil has…
A:
Q: An electric clothes dryer is rated at 5,400 W. How much energy does it use in 25 min? kWh
A:
Q: A furnace for an electric heating system is rated at 121 amperes and 27,500watts. What is the…
A: Given: The current is 121 A. The power is 27500 W.
Q: There are approximately 103 million TVs in the United States. Each uses, on average, 76 W of power…
A:
Q: How much does it cost to light a 300-W light bulb for 30 days if the cost of the electricity is Php…
A: Given data: Power (P) = 300 W = 0.300 kW Number of days = 30 Cost of electricity = Php 10/kWh…
Q: person used his 15000 W air conditioning unit for 5 h every day during the month of June. How much…
A:
Q: What is the power rating of a heating coil with a resistance of 12 ohms that draws a current of 20…
A: Given that the value of resistance and current then we have to determine the power rating of the…
Q: +2v - Answer:
A:
Q: How much power, in W, is flowing through a voltage source of 20 V with a current of 80 mA?
A: Given : Voltage (V) = 20 V Current (I) = 80 mA = 0.08 A
Q: What is the cross-sectional area and diameter of tungsten wire that has a length of 1.0 meters and a…
A: Given data: Length, L = 1 m Resistance, R = 0.32 Ω
Q: kilometer of wire having a diameter of 11.7 mm and a resistance of 0.031 ohm is drawn down so that…
A: d1=11.7 mm d2=5 mm resistance, R= 0.031 Ohms Initial length= l1= 1km We know volume will remain the…
Q: What current will be taken by a 850 W appliance if the supply voltage is 220 V ?
A: Given data : Power = P Voltage = V To find :…
Q: A heater uses 26A when used in a 110-V line. If electric power costs 9.75 per kilo watt hour, the…
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Q: if the current passes R1 is 25mA and the voltage at R2 is 25 V, what is the value of R2 ?
A:
Q: An electric water heater consumes 7.13 kW for 3.85 h per day. What is the cost (in dollars per year)…
A: An electric water heater consumes 7.13 kW for 3.85 h per day. In a year, the heater consumes…
Q: for an electric rate of 8.9071/kwh, what does it cost to live a 60 -W light bulb on for 8hr
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Q: How many kilowatts of power are delivered to a circuit by a 240V generator that supplies 20A to the…
A:
Q: A transformer with 915 primary windings and 7,780 secondary windings has an input voltage of 155 AC.…
A: Data Given , No. Of primary windings ( Np ) =915 No. Of secondary windings ( Ns ) = 7780 Input…
Q: An electric water heater consumes 5.63 kW for 2.85 h per day. What is the cost (in dollars per year)…
A: Given: The heater consumption of electricity is 5.63 kW for 2.85 h per day. The cost of electricity…
Q: An electric clothes dryer is rated at 2,600 W. How much energy does it use in 20 min? (Answer in…
A:
Q: What is the power rating of a television set which draws a current of 2 A from a 220-volt outlet?
A:
Q: If your cell phone has a battery that can hold 1124 milliampere-hours of charge, how long will the…
A:
Q: What current will be taken by a 950 W appliance if the supply voltage is 260V ?
A: Given data : Voltage = V Power = P To find : Current
Q: What is the voltage (in V) when the current is 168A and the resistance is 10ohms?
A: V= I.R Given V= ? I= 168 A R= 10 ohm
Q: . An electric water heater requires 1100 W of power. Electricity costs 8 cents per kilowatt hour.…
A: Given Power of an electric heater = P = 1100 W = 1.1 kW Cost of electricity = 8 cents/kWh We have to…
Q: If the unit cost of electricity in Luzon is PhP 8.9951 per kWh, what is the total cost (capital plus…
A: Given data: Cost of electricity = PhP 8.9951 per kWh Power (P) = 28 W Time (t) = 1000 h Capital cost…
Q: What is the current flowing in the coil when the applied voltage in a motor resistance of 3.4Ω is…
A:
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: Calculate the resistance of a load with a voltage of 60V and a current of 750mA
A: Voltage (V) = 60 Volts Current through the load (I) = 750 mA= 0.75 Alet the resistance of the load =…
Q: What current will be taken by a 1230 W appliance if the supply voltage Is 250 V ?
A: Given Power of appliance ; P = 1230 W Voltage (V) = 250 v Power is given as ; Power (P) = V ×…
Q: A person used his 1500 W air-conditioning unit for 5 h every day during the month of June. How much…
A:
Q: A lamp consumes 500 J of electrical energy in 20 sec. What is the power of the lamp?
A: Power of the lamp is calculated by the formula: Power = Energy consumed per unit time Power =…
Q: Dominic leaves a lamp on that uses 3 40W light bulbs. If it stayed on ALL DAY for the entire month…
A: Given data Power of light bulb is ∆P=340 W Cost is $0.141 per kWh Find the power bill.
Q: How much does it cost to operate a dryer for 176 minutes if its power consumption is 1,484 W. The…
A: t= 176 min = 2.933 hours Total kWh = 1.484 x2.933 = 4.4325 kWh
Q: How many hours will it take for a 500-W electric drill to work for 100 kWh?
A:
Q: An electric clothes dryer is rated at 3,400 W. How much energy does it use in 30 min?
A: power of electric cloth dryer (P) = 3400 W time (t) = 30 min
Q: What is the current, in mA, of a 3 kilo-Ohm resistor hooked up to a 120 V voltage source?
A: Given,
Q: What is the yearly cost of operating a 100-W television for 2 hours per day, assuming the cost of…
A: Given data: Power (P) = 100 W Daily uses = 2 hours per days Cost of electricity = Php 11.00 per kWh…
Q: How many calories per second are generated in an electric heater that has a resistance of 20 ohms…
A: formula used:
Q: A television of 100 W is used for 2 h, then what is the value of unit of expense of electricity?
A:
Q: A heating element in a stove is designed to receive 3,345 W when connected to 240 V. Calculate the…
A: The resistance of the device is,
Q: Compute the time required to pass 5,000 C through an electrical component using a current of 25 A.
A: Let the charge is denoted by q and the current is denoted by I.
Q: An Electric Company has announced that the electricity rate is now at ₱10.183 per kWh. If a certain…
A:
Q: An electric clothes dryer is rated at 3,600 W. How much energy does it use in 25 min?
A: Recall P=E/t So E=Pt
Q: How much current does a 1500 Watt heater draw if supplied with a 120 Volt source?
A: Given Data: Power, P = 1500 W Voltage, V = 120 V Solution: Current, I = P/V = 1500 / 120 = 12.5 A
Q: Electricity prices vary widely from state to state. In Connecticut, for instance, electricity costs…
A: Electricity costs $0.209/kWh in Connecticut. The electrical power in general is given by, P=I2R…
What is the cost of operating a 54.64-W light for a year if the cost of electricity is $0.2 kWper hr ?
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- A 400-W computer (computer plus monitor) is turned on 8.0 hours per day. If electricity costs ₱ 9.0 per kWh, how much does it cost (in ₱) to run the computer annually?What is the yearly cost of operating a 100-W television for 2 hours per day, assuming the cost of electricity is Php 11.00 per kw-hour.The cost to operate a clothes dryer for a year is $80.25. If the rate for electrical energy is 8.8¢/kWh, and the clothesdryer is used for 700 hours in a year, what is the power rating of the clothes dryer? Explain clearly.
- A 300 W driveway light is left on for 24 hours. How much does the energy cost if the power company’s rate is 50.0 cents per kWh?1. You use a 1300-watt hair dryer for 10 minutes each day. (a) What is the power of the hair dryer in kilowatts? (b) How many kilowatt-hours of electricity does the hair dryer use in a month? (Assume there are 30 days in the month) (c) If your town charges ₱ 6.50/kWh, what is the cost to use thehair dryer for a month?Suppose you use 60 kWh (kilowatt hours) of electricity at $0.31 per kWH, 96 kWh at $0.27 per kWh, and 87 kWH at $0.22 per kWh. What is your total kHW of electricity used?
- A certain house uses an average power of 485 Watts all day, everyday, for a 31 day month. If the energy costs are $0.21 per KW-hour, what is the house’s energy bill for this month? (Your answer is in dollars, so put $ for the units. Also, you'll round your final answer to the nearest cent.)Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh, and 82 kWH at $0.24 per kWh. What is your total kHW of electricity used? Note: Our electricity bills are calculated exactly in this manner, either based on blocks of usage.The cost to operate a clothes dryer for a year is $80.25. If the rate for electrical energy is 8.8¢/kWh, and the clothes dryer is used for 700 hours in a year, what is the power rating of the clothes dryer? Explain in depth and clearly using this formula.
- What is the cost of operating a 1.5 W electric clock for a year in Chicago? (The cost of electricity in Chicago is 16.1 cents per kWh). Express your answer in dollars.A hair dryer is rated at 1850 W. Assuming there are 30 days in a month, what is the monthly cost of using the hair dryer for an average of 12 minutes every day if you are charged 20 cents for every kW-h? $ 222A utility company charges 8.5 cents/kWh. If a consumer operates a 40-W light bulb continuously forone day, how much is the consumer charged?