and 30 kW, while the maximum e mum demand of 150 kW and 200
Q: A small vegetable shop use the following electric appliances: (1) Two Air Conditioner of rating 1500…
A:
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 4,000 W. How much energy does it use in 40 min?
A: Given that An electric clothes dryer is rated at 4,000 W So, power = p = 4000 w Also time = t = 40…
Q: (B) If electrical energy were used, how much would this cost at 38¢ per kWh?
A:
Q: Discuss the differences between average power and instantaneous power.
A: Average power relates to the total amount of work done with the total time taken to complete the…
Q: A stationery shop use the following electric appliances: () Three Air Conditioner of rating 2300 W…
A: In general, a single unit of electricity is considered as equal to 1 kilowatt-hour. The number of…
Q: A freezer that is never turned off draws an average current of 2.4 A when it is plugged into a 115 V…
A: Electric Power is a rate of absorption of energy in the electrical circuit. Since this energy is…
Q: energy is consumed with running a 60W light
A: Given: Power is P=60 W Time is t=6 h 15 min. Note: 1 h=60 min. Find: Energy consumed by light.
Q: 1. 1000 400 0 200 0 7v
A:
Q: How much does it cost to run a 1500-W hair dryer for 29 minutes each day for one month (30 days) at…
A: Total Power ( P ) = 1500 W = 1.5 kWatts Time = 29 minutes each day for 30 days Total Minutes of…
Q: Is it true that a computer consists of a lot of different parts but that it still needs electricity…
A: Yes, it is true that a computer consists of a lot of different parts, including hardware components…
Q: How much does it cost to run a 1500-W hair dryer for 37 minutes each day for one month (30 days) at…
A:
Q: A small vegetable shop use the following electric appliances: () Two Air Conditioner of rating 1700…
A:
Q: Calculate the energy work needed of from an electrical socket to keep a 30 W lightbulb turned on for…
A: Given: Lightbulb power, P=30 W Lightbulb runs for time, t=10 s
Q: Air Conditioner of rating 1500 W for ten hours each day Electric Freezer of rating 1300w each for 24…
A: power = I2 R
Q: 10.) A light bulb rated at 60 W uses 5,000 J of electrical energy. How long has the light bulb been…
A: Given Data : The power rating of the light bulb is given as P = 60 W. The energy used by the light…
Q: You use 1,120 Watts for 15 minutes per dinner. What will it cost you to cook your dinners for a year…
A: Power,P=1120 WattsTime,t=15 minutes or 0.25 hourprice of electricity per kwh is 5.5 cent or $0.055…
Q: ow much does it cost to run a 1500-W hair dryer for 15 minutes each day for one month (30 days) at a…
A: Given Power of hair dryer is P= 1500 W Time taken is t=30(15 min) =450 min=7.5 hours
Q: Suppose you have a 2000 Watt water heater that is on for a total of 150 hours a month. How much will…
A: Total energy consumed = 2000×150 Watt-hrs=2×150 kW-hrs=300 kW-hrs
Q: Which costs you more to run: An 800 W microwave oven for 2 minutes or a 60 watt bulb for in our?
A:
Q: How long can a 1500 W heater be on before using more than 12 kWh of energy?
A: Given that:Powwr, P=1500 WEnergy, E=12 kWh
Q: A student claims when they use their space heater and hairdryer at the same time, the power for the…
A: When too many devices are running, there is a possibility that the power supply might get tripped by…
Q: The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value.…
A: Electricity cost = $0.120 /kWh
Q: What is the average amount of electricity used by a computer?
A:
Q: a heater is left on and uses 0.58 A when plugged into a 120 V line. if electric power costs 12…
A: Assume that the current and voltage are RMS value, and the heater is purely resistive load.The power…
Q: What is the voltage provided to a fan drawing 3 A DC current and is operating at 350 W?
A:
Q: True or False Like mechanical energy, current electricity transfers to PE to KE and into work?
A: In mechanical energy in various cases, the Kinetic energy transfers to potential energy and vice…
Q: A small vegetable shop use the following electric appliances: (i) Two Air Conditioner of rating 1700…
A:
Q: A 100 kW solar array located in Cheney, WA is estimated to produce 126,000 kWh. Assuming…
A: In Cheney WA the average residents electric charges are 6cents/kWh of electricity. And as given…
Q: how much does it cost to run a 1500 W hair dryer for 10 minutes?
A: Given, power (P) =1500W = 1.5 kW time (t) = 10 minutes = 10/60 hr. =1/6 hr.…
Q: ne 9-volt battery contains 19.7 thousand joules of energy. A 4-pack of 9-volt batteries cost $10.31…
A: The energy in one battery E =19.7×103 J Total energy of 4 pack 9V battery is 4E The power is 1 Watt…
Q: How fast does electricity travel?
A: Electricity or electromagnetic signal is travels with speed nearly equal to the speed of light.…
Q: A standard flashlight battery can deliver about 1.5 W-h of energy before it runs down. (a) If a…
A: energy delivered by a battery before running down = 1.5 W-hr
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