Calculate how much will it cost to light a 25 Watts light bulb for 110 minutes. The cost of electricity as of February 2022 is approximately equal to 9.50 Php/ KWh.
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A: Incandescent bulbs:The time the bulb is on in a course of three years is,t=3 years=365…
Q: The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value.…
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Q: What is the electrical energy stored per 1 squared micron of cell membrane at the voltage -70 mV?
A: Area of cell membrane=A=1 micron2=1×10-62 m voltage=V=-70 mV=-70×10-3V
Q: How much does it cost (in P) to operate a 670-W split-type inverter air conditioner for 8 in 30…
A: We have-Power, P= 670 Watt=0.67 KWatt.Time, t= 8 h per dayTotal days= 30Hence, time 't'=30×8h= 240 h
Q: A coffee maker draws 6.5 amperes when operating at 120 V. How much electric power does it use. I…
A: Given that the coffee maker draws current I=6.5A and operates with a voltage V=120V We have to…
Q: You have a 1300 W toaster. How much electrical energy in Joules is needed to make a slice of toast?…
A: The objective of the question is to calculate the electrical energy consumed by a toaster in Joules…
Q: A 1520-W hair dryer plugs into a 120-V outlet. What is the current through the hair dryer when it…
A: Power of hair dryer (P) = 1520 W Voltage (V) = 120 volts
Q: The cost of electricity in Saskatoon is currently about 16.35 cents/kWh (including carbon tax). At…
A: Given data: Cost of electricity = 16.35 cents/kWh Power (P) = 80.0 W Time (t) = 2 weeks
Q: A typical candy bar contains approximately 250kcal. How long would this power a 60 W lightbulb?
A: Convert kilo calorie to joule. E=250 kcal4184 J1 kcal=1.046×106 J The relation between power and…
Q: A 12µF, a 9.0µF and a 7.0µF capacitor are connected in series to a 15 V battery. Draw the circuit…
A: C1 = 12 µF, C2 = 9 µF, C3 = 7 µF, Voltage , V = 15 V To find = Charge on each capacitor
Q: The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value.…
A: Given, Electricity cost = 0.12$/kWh And power P=Et So, E=P.t a) Power = 40W total time, t =7days=…
Q: An engineer measures the peak power output of an industrial engine. The peak power output is 0.3064…
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Q: What capacitance is needed to store 3.46 µC of charge at a voltage of 114 V?
A: GivenCharge on capacitor= 3.46 µC voltage across plates = 114 V. We have to calculate the…
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: How many kW of energy does a 650-W toaster use in the morning if it is in operation for a total of…
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Q: The average television set is said to be on 6 hours a day. a) Calculate the yearly cost (total…
A: Given: Average time Television is ON = 6 h/day Average power consumption = 130 W/TV…
Q: In the US, the conventional voltage seen in a recepticle (wall outlet) is 120 V. How many amperes is…
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Q: An electric fan motor draws 10 C of charge in 2 seconds from a 220 V source. What is the power…
A: Given in question - Charge(Q) = 10 C Time(t) = 2 seconds…
Q: Compact fluorescent bulbs aremuch more efficient at producing light than are ordinary…
A: Given: Power consumption of a fluroscent bulb is Pf=23.0WCost of compact bulb is Cfb=11.0$Power of…
Q: An electric heater is rated 1500 W. How much energy does it use in 10 hours?
A: We know thatE=P×tHereE=EnergyP=Powert=Time
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: The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value.…
A:
Q: A refrigerator using 1020 W runs one-third of the time. How much does the electricity cost to run…
A: The total time run by refrigerator ist=1330 days24 h=240 h
Q: +77
A: Given that:-V=V0e-tRC equation 1Where, V0=150 VoltV=100 VoltC=5×10-6 FR=40 kΩ=40×103 Ω
Q: A stationery shop use the following electric appliances: (i) Three Air Conditioner of rating 2200 W…
A: Have a look
Q: equivalent capacitance
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Q: A family goes on vacation for one week but forgets to turn off an electric fan that consumes…
A: Given data: Power (P) = 200 W = 0.200 kW Total time = 1 Week Cost of electricity = 12.0 ¢/kW.h…
Q: An 11.6 W energy efficient fluorescent light bulb is designed to produce the same illumination as a…
A: The energy is a scalar quantity , which represents the ability to do a certain work or process . The…
Q: light bulb uses up a power of 2.6 kW/hr. If the rate is Php153.42 per 1 kW/hr, and the light was on…
A: Power is the rate of work done. Power = work done / time P = W/t = W - work done t - time in…
Q: A solar panel of length L and width W produces 28.4 kWh in a day. Under the same conditions (i.e.…
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Q: Lee watchesTV for 2 hours per day. During that time, The TV consumes 200 W per hour. Electricity…
A: P=200W=0.2 KW (Power consumed per hour) T=30*2=60 hours (total time) Rate= 12 cents per Kilowatt…
Q: A utility company charges 8.5 cents/kWh. If a consumer operates a 40-W light bulb continuously for…
A: A utility company charges 8.5 cents/KWh. if a consumer operates a 40-W bulb continuously for one…
Q: A refrigerator using 1028 W runs one-third of the time. How much does the electricity cost to run…
A:
Q: A battery with an emf of 26 V delivers a constant current of 4.3 mA to a device. How much work does…
A: Given Data:Emf of battery E = 26 VCurrent I = 4.3 mA = 4.3×10-3 ATime t = 5 minutes = 5 ×60 st = 300…
Q: A house has 3 tubelights, 2 fans and a television. Each tubelight draws 40 W. The fan draws 80 W and…
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Q: a CFL or compact flourescent lamp uses less energy that its equivalent incandescent bulb. how much…
A: Electricity can be simply defined as a measure of the flow of electrical current. Electricity is…
Q: 2. A 350 W laptop is used daily for 9 hours in teaching. How many kWh are consumed by the laptop in…
A: Answer:- Given Power (P) = 350 W = (350)/(1000) = 0.35 kW Time taken for 9 hours in 30…
Q: Compact fluorescent bulbs aremuch more efficient at producing light than are ordinary…
A: Given: Power consumption of fluorescent, Pf=23.0 W,Power consuption of incandescent, Pi=100 W,Cost…
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: The cost of electricity in Saskatoon is currently about 16.35 cents/kWh (including carbon tax). At…
A: Given Data Cost of electricity is given as 16.35 cemts/kWh Power of the porch light is Pl=80.0 W…
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