A freezer that is never turned off draws an average current of 2.4 A when it is plugged into a 115 V outlet.  What is the yearly cost of operating the freezer if the average cost of electricity is $0.1/kWh [round your final answer to zero decimal places]?

Q: The resistance of a bagel toaster is 20 Ω. To prepare a bagel, the toaster is operated for one…

A: Given information: The resistance of the toaster (R) = 20 ohm The voltage across the toaster (V) =…

Q: What is the output voltage of a 3.00-V lithium cell in a digital wristwatch that draws 0.660 mA, if…

A:

Q: The 120 V electric heater in a coffee maker has a resistance of 15 Ω. How long will it take for this…

A: Given: The voltage of electric heater is V=120 V. The resistance of electric heater is R=15 Ω. The…

Q: All household circuits are wired in parallel. A 1190-w toaster, a 280-w blender, and a 60-w lamp are…

A:

Q: The resistance of an electric heater is  70 Ω  when connected to 120 V. How much energy does it use…

A:

Q: Consider an initially uncharged capacitor in an RC circuit. The resistance is 22,489 Ohms and the…

A:

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: When connected to a 120-V source, an electric heater is rated at 1200 V and a toaster at 6.0x102 V.…

A:

Q: A piece of Nichrome wire has a radius of 5.0x 104 m. It is used in a laboratory to make a heater…

A: Given, For a Nichrome wire the radius of the wire is a=5×10-4m Power dissipates is P=4×102W voltage…

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: All household circuits are wired in parallel. A 1250-W toaster, a 320-W blender, and a 75-W lamp are…

A:

Q: A two-slice bread toaster consumes 836.0 W of power when plugged into a 240.0-V source. (a) What is…

A: Given data The power is P=836.0 W The potential difference is Vo=240.0 V (a) The power is,…

Q: How long does it take the charge to reach 63% of its final value if a 10 microfarad capacitor is…

A:

Q: A 200-volt electromotive force is applied to an RC-series circuit in which the resistance is 1000…

A: Given data: V=200 Volt R=1000 ohm C=5×10-6F To find: (a) charge q(t) on the capacitor if i(0)=0.2…

Q: In the US, the conventional voltage seen in a recepticle (wall outlet) is 120 V. How many amperes is…

A:

Q: A typical cost for electric power is $ 0.135 per kilowatt-hour. (a) Some people leave their porch…

A: Solution

Q: A refrigerator using 1030 W runs two-thirds of the time. How much does the electricity cost to run…

A: A refrigerator using 1030 W runs two-thirds of the time. How much does the electricity cost to run…

Q: A 2.5 kW heater element from a dryer has a length of 59 cm. If a 12 cm section is removed, what…

A: Given values:Power of heater element, P = 2.5 KwInitial length of dryer, Li = 59 cm = 0.59 mFinal…

Q: 10. Prove that the infected population I(t) in the SIR model does not increase if S(0) is less than…

A:

Q: Calculate the cost of leaving 1300 W refrigerator for a year, if the electric company charges you 12…

A: Write the formula for the total amount of power used in a year. Ptotal=watts×hours used per day×days…

Q: All household circuits are wired in parallel. A 1240-W toaster, a 280-W blender, and a 60-W lamp are…

A: Given : Ptoaster = 1240-W Pblender = 280-W Plamp = 60-W V = 120 V I = 15 A

Q: A 90-W incandescent lamp is connected to a 110-V source and is left burning continously in an…

A: Given, Power, P=90W Voltage, V=110V a. The current through the lamp Power, P=VI 90=110×II=0.81A…

Q: What is the output voltage (in V) of a 3.0000 V lithium cell in a digital wristwatch that draws…

A:

Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.00 A. Assuming the…

A: Given data:  Voltage (V) = 120 V Current (I) = 5.00 A Mass (m) = 0.300 kg Initial temperature (Ti) =…

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: A coffee-maker (15 Ω) and a toaster (18 Ω) are connected in parallel to the same 120-V outlet in a…

A: Given data:  Resistance of coffee-maker (R1) = 15 Ω Resistance of toaster (R2) = 18 Ω  Connected in…

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

A:

Q: In a simple electric circuit, Ohm's law states that V = IR, where V is the voltage in volts, I is…

A:

Q: A 75-cm-long heating wire is connected to a 120 V outlet. If the wire dissipates 50W, what are (a)…

A: The given data are: L=75 cm=0.75 mV=120 VP=50 W Here, L denotes the length, V denotes the voltage,…

Q: A refrigerator using 1028 W runs one-third of the time. How much does the electricity cost to run…

A:

Q: pacity of 2.44 joules per gram kelvin and a specific gravity of 0.7893. Assume the initial…

A:

Q: Before leaving the house in the morning, you plop some stew in your slow cooker and turn it on Low.…

A:

Q: a) A freezer that is never turned off draws an average current of 2.1 A when it is plugged into a…

A:

Q: An electric appliance with a current of I and a resistance of R is used for t hours during the…

A: Since there are multiple sub-parts posted, we will answer the first three sub-parts for you. If you…

Q: An electric blanket is connected to a 120-V outlet and consumes 350 W of power. What is the…

A: Given data: The voltage of the outlet, V=120V Power consumed by the blanket, P=350W

Q: A heater is rated to dissipate 2880 W when connected to a 120 V source. The current drawn by the…

A: Given P = 2880 W V = 120 Volts We have  P = V*I

Q: An electric water heater is designed to produce 48 kWkW of heat when it is connected to a 240-V…

A:

Q: A microwave oven draws 8 A when supplied with 120 V. The microwave is subsequently used for 6…

A: To find the electrical energy used by microwave