Your water heater is set for use during Time of Day "off peak" hours. If it uses 1500VA and operates for 3 hours, giving you a full tank for the day, how much does it cost per month (30 days) at $.033/KWH

Q: A 1110 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…

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Q: onsider a series RC circuit as in the figure below for which R = 8.00 MΩ, C = 3.00 µF, and  = 34.0…

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Q: One wire in a high-voltage transmission line carries 1 000 A starting at 560 kV for a distance of…

A: P=I2R

Q: On average, an electric water heater operates for 2.00 h each day. A water heater typically draws…

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Q: Assume you have one room it has 8 lamps and they are working 11 hours per day. If the unit price is…

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Q: An 1130 W toaster and an 903 W microwave oven are connected in parallel to the same 15.0 A, 120 V…

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Q: You are given the following data for the Measurement of a Capacitance experimen where C: The…

A: Concept used: Average value of deflection can be calculated . Capacitance is in same proportion as…

Q: The electric oven in your kitchen is plugged into a 240.0V out and it draws a 19.5 A current. If you…

A: Potential difference = 240 V Current = 19.5 A Time = 30 mins = 1800 seconds

Q: A 10.0 Ω 5.00 Ω ww R V R www eal ammeter eal voltmeter AV + + 4.50 V eal ammeter (Give your answer…

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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 1.60×103 watt iron is connected to a 1.20×102 volt line and is operated for 2.75 hours. What is…

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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: What are the expected readings of the following in the figure below? (R = 7.50 0, AV = 7.00 V) A…

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Q: A hospital electric heater of the resistance 10 Ω draws 18 A current from the service  main. At what…

A: Given data:  Resistance (R) = 10 Ω Current (I) = 18 A Time (t) = 24 h Cost of electricity = 11.37¢ /…

Q: 1. 1000 400 0 200 0 7v

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Q: Assume you have one room it has 8 lamps and they are working 11 hours per day. If the unit price is…

A: Solution: Given that working hours = 11 hours working days = 20 days number of lamps = 8

Q: The time constant RC has units of: second/farad second/ohm ○ 1/second second/watt O none of these

A: In electrical circuits, the time constant (RC) is a measure of the time required for the voltage or…

Q: What are the expected readings of the following in the figure below? (R = 6.100, AV = 7.00 V) 10.0 Ω…

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Q: A light bulb has resistance of R = 150 N and has a current of /= 1.1 A passing through it. Express…

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Q: A 50.7 ohm resistor is put into a circuit with a 16 volt battery. What is the power dissipated (in…

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Q: A cauterizer, used to stop bleeding in surgery, puts out 1.76 mA at 15.5 kV. (a) What is its power…

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Q: A 1160 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…

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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: Consider a series RC circuit as in the figure below for which R= 7.40 M2, C= 1.70 uF, and E= 29.5 V.…

A: Given data: R=7.40 MΩ C=1.70 μF ε=29.5 V Calculating the time constant of the circuit as follows:…

Q: A 1450 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…

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Q: I can use Rs=200 ohm in part (a) to calculate part (b)?

A: In part (a) the value of Rs is calculated using Ohm's law. Ohm's law can be given as,  V = IR By…

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 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: An older electric water heater uses 10.0 of power while it's on, but it's only on for 2 hours every…

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Q: A 100 W lightbulb is plugged into a standard 120 V outlet. (a) What is the resistance of the bulb?…

A: Power of the lightbulb is P=100 W. Supply voltage is V=120 V.   If R be the resistance of the…

Q: The figure below shows a simple RC circuit with a 2.90-µF capacitor, a 2.80-MQ resistor, a 9.00-V…

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Q: (a) What is the cost of heating a hot tub containing 1490 kg of water from 10.0°C to 40.0°C,…

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Q: 25.68 Compact Fluorescent Bulbs. Compact fluorescent bulbs are much more efficient at producing…

A: (a) Given,P=100Wlife time =750 hourspriceof bulb=0.75 bulbs are on for =4 hours3 years=3×365×4=4380…

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: 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) In the figure what value must R have if the current in the circuit is to be 1.1 mA? Take ε1 = 1.5…

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Q: What is the maximum power consumption of a (9.00x10^0) V portable cassette player that draws a…

A: Given data:  Voltage (V) = 9.00×100  V Maximum current (I) = 3.6000×101 mA Required:  The maximum…

Q: What are the expected readings of the following in the figure below? (R = 9.30 N, AV = 6.20 V) R Δν…

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Q: A standard flashlight battery can deliver about 4.9 W-h of energy before it runs down. (a) If a…

A: Given : Cost of Battery = 80 cents Energy delivered  per battery(e) = 4.9Wh Energy(W) required to…

Q: A small heater is used to keep critical components from getting too cold in space. The device yields…

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Q: A small vegetable shop use the following electric appliances: (i) Two Air Conditioner of rating 1700…

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Q: (i) Three Air Conditioner of rating 2100 W for ten hours each day (ii) Two Electric water heater of…

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Q: The figure below shows a simple RC circuit with a 3.50-µF capacitor, a 2.60-MQ resistor, a 9.00-V…

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